The Sidi Aissa permit pertaining to the first validy period of the exclusive exploration permit for liquid or gas hydrocarbons awarded to the Algerian Company for oil exploration called 'Azzel Matti'
Official Journal of the Algerian Republic N 18 of June 07th, 1963 page 311. Decision of March 22nd , 1963.

The Oil Research and Exploration in the Sahara Company (CREPS) accepts renunciation of the exclusive permit of hydrocarbon research and exploration called 'Azzel Matti'.
Official Journal of the Algerian Republic N 37 of June 07th, 1963. Page 604 of May 24th, 1963.

Agreement between the French Republic and the People's Democratic Republic of Algeria regarding the settlement of issues pertaining hydrocarbons and industrial development in Algeria is signed in Algiers on 29 July 1965.
Official Journal of the Algerian Republic N 95 of 19 November 1965.

The liquid or gas hydrocarbon foelds of 'Brides' is jointly awarded to the Companies: Oil Companies of Algeria (CPA) and the Company for Oil Research and Exploitation in the Sahara (CREPS).
Official Journal of the Algerian Republic, N 75 of 07 July 1967, page 591- Decision n 67-117 of 7 July 1967.

The Company for Oil Research and Exploitation in the Sahara (CREPS) renounces to the liquid and gas hydrocarbon research permit of 'El Ouar'.
Official Journal of the Algerian Republic, N 98 of 14 November 1967, page 996- Decision of 30 October 1967.

The French Oil Company (Algeria) CFP (A) renounces to the 'Mehaiguene' permit.
Official Journal of the Algerian Republic, N 06 of 19 January 1968, page 46- Decision of 26 December 1967

SONATRACH and the French oil company in Algeria (SOPEFAL) renounce to the permit "Sidi Yedda -Daîet el Fersig". Official newspaper of the Algerian Republic N°6 of January 19, 1968 page 46 - Decree of December 26, 1967

The company of oil participations (PETROPAR) replaces the company of oils France-Africa (COPERA) in the rights and obligations of this one relating to the granting of the hydrocarbon concession deposits of "Hassi Chergui". Official newspaper of the Algerian Republic N°14 of February 16, 1968 page 152 - Decree n° 68-24 of January 23, 1968

The exclusive permit of liquid or gas hydrocarbon research said permit "El Me Z'aid" is granted to the companies: SONATRACH and Getty Petroleum Company (GETTY). Official newspaper of the Algerian Republic N°09 of January 31, 1969 page 70 - Decree n° 69-7 of January 30, 1969

The change for the benefit of the joint and interdependent companies: SONATRACH and Getty Petroleum (Getty), of the three exclusive permits of hydrocarbon research known as "Djebel Azreg", "Erg Djouad" and "Hassi Brahim" held by the SONATRACH, are authorized. Official newspaper of the Algerian Republic N°13 of February 11, 1969 page 96 - Decree n° 69-11 of February 08, 1969

The project of a transport trunk construction of liquid hydrocarbons (a length of 108, about 4 km and of 26 inches diameter (660 mm) connecting the manifold centre of the "Mesdar" deposit to the center of  the station of storage "Haoud El Hamra" is approved and SONATRACH is authorized to transport liquid hydrocarbons there. Official newspaper of the Algerian Republic N°19 of February 28, 1969 page 148 – Decree of February 20, 1969.

The project of liquid hydrocarbons transport canalization "Mesdar-Haoud El Hamra" presented by SONATRACH is approved. Official newspaper of the Algerian Republic N°19 of February 28, 1969 page 148 - Decree of February 20, 1969

Withdrawal of the research mining titles, exploitation and transfer of liquid or gas hydrocarbons of the company Sinclair - Mediterranean Petroleum Company. Official newspaper of the Algerian Republic N°54 of April 29, 1969 page 315 - Decree n°69-50 of April 25, 1969

A representative of the state (Mr. Nordine Ait Laoussine) is designated on a purely provisional basis, in the capacity as representative of the state charged to take care of defense, the safeguard and the management of the mining interests withdrawn to the company Sinclaire, Mediterranean Petroleum Company. Official newspaper of the Algerian Republic N°58 of July 08, 1969 page 549 - Decree of June 14, 1969

The work project of liquid hydrocarbons transport presented by SONATRACH and SOPEFAL, connecting the center of "El Borma Western" deposit production to the drain belonging to the Italo-Tunisian company of oil exploitation (SITEP) to the level of the algéro-Tunisian border, is approved. Official newspaper of the Algerian Republic N°82 of September 26, 1969 page 916 - Decree of August 8, 1969

The project of the gas pipeline layout "Hassi R' mel-Skikda", presented by SONATRACH, is approved. Official newspaper of the Algerian Republic N°63 of July 25, 1969 page 598 - Decree of the June 11, 1969

The work project of the liquid hydrocarbons transport "Haoud El Hamra-Skikda" (drain of a diameter of 863,6 mm (34 inches) and about 637,05 km length like four stations of pumping), is approved with the profit of Sonatrach and the authorization to use it is given to it in order to transport liquid hydrocarbons coming from the Algerian producing zones. Official newspaper of the Algerian Republic N°63 of July 25, 1969 page 598 - Decree of June 11, 1969

The deposits of Hassi Chergui, of the oasis departments, are conceded jointly to the companies: Oil Company of participations (PETROPAR) and Philips Petroleum Company Algeria (PHILIPS ALGERIE).  Official newspaper of the Algerian Republic N°81 of September 23, 1969 page 875 - Decree n° 69-117 of July 29, 1969

SONATRACH and companies: the French oil company in Algeria (SOPEFAL), Newmont overseas petroleum company (NEWMONT) and the company Sinclair Mediterranean petroleum company (SINCLAIR), requested and obtained the agreement for the designation of the principal center "Mesdar" deposit collection provisional. Official newspaper of the Algerian Republic N°82 of September 26, 1969 page 912 - Decree of August 8, 1969

The hydrocarbon deposits of "Rhourd Chouff" are jointly conceded to the companies: Company of oil participations (PETROPAR), the Franco-African company of oil research (FRANCAREP) and El Paso Europe-Africa (EL PASO). Official newspaper of the Algerian Republic N°87 of October 14, 1969 page 992 - Decree n° 69-119

The project of canalization "Hassi Messaoud-North (UP1) - Haoud El Hamra", presented by the French company of oils Algeria (Cfp- A), is approved. Official newspaper of the Algerian Republic N°98 of November 4, 1969 page 1068 - n° Decree of October 9, 1969

The project presented by SONATRACH of the work liquefied gas and oil transport (LPG) and of condensate "Hassi Messaoud-Arzew", is approved. SONATRACH is authorized to exploit the work. Official newspaper of the Algerian Republic N°85 of October 07, 1969 
Page 960 - Decree of September 16, 1969

SONATRACH is a successful bidder of the mining titles of exploitation and of liquid and gas hydrocarbons transportation, withdrawn to the company "Sinclair Mediterranean
Petroleum Company ". Official newspaper of the Algerian Republic N°15 of February 13, 1970, page 180 - Decree n° 70-33 of February 8, 1970

Exclusive permits of liquid or gas hydrocarbon research: Sebkhet Sefioune, Tiraremine, Djebel Doukkane, Djebel Ahmar, El Arf, Attallah, Sif Fatima, El Hamamit, Faî, are granted to SONATRACH. Official newspaper of the Algerian Republic N°37 of April 24, 1970 page 433 - Decree n° 70 -58 of April 21, 1970

The expiry date of the exclusive permit of liquid or gas hydrocarbon research said "Rhourd Hamra", is extended. Official newspaper of the Algerian Republic N°41 of May 08, 1970, page 472 - Decree of April 10, 1970

Nationalization of the goods shares, actions, rights and interests of the French company of oils Elwerath (SOFRAPEL). Official newspaper of the Algerian Republic N°53 of the June 19, 1970 page 597 - Order n° 70-43 of June 12, 1970 

Nationalization of the goods parts, actions, rights and interests of any nature which make the inheritance of the company Shell Petroleum N.V in the companies: the Company of research and oil exploitation in the Sahara (CREPS), the Company of Algeria's oils(CPA) the company of transport by pipelines in the Sahara (TRAPSA) and the company of the Algiers refinery  (SPA). Official newspaper of the Algerian Republic N°53 of June 19, 1970 page 597 - Order n° 70-44 of June 12, 1970

Nationalization at the date of January 1st, 1970 of the goods shares, actions, rights and interests of any nature, which compose in Algeria, the capitals of the company Phillips Petroleum Company Algeria  and the company Drilling specialties Company; and more generally, goods, shares, actions, rights and interests of any nature, held in Algeria, by any company, subsidiary company or establishment known under the corporate name, the initials or the denomination total or partial of Phillips Petroleum Company Algeria or Drilling specialties Company. Official newspaper of the Algerian Republic N°53 of June 19, 1970, page 598 – Order n° 70-46 of June 19, 1970

Nationalization of the goods shares, actions, rights and interests of any nature of the companies, subsidiaries or establishments known under the corporate name, the initials or the denomination of the company Ausonia French mine (AMIF). Official newspaper of the Algerian Republic N°53 of June 19, 1970 page 598 - Order n° 70-45 of June 19, 1970

The whole of the goods, shares, actions, rights and interests held in Algeria by the companies: MOBIL SAHAR, MOBIL PRODUCING the FRENCH SAHARA Inc MOBIL OIL AND MOBIL INVESTMENT AG, are transferred to SONATRACH after being acquired by the State. Official newspaper of the Algerian Republic N°96 of November 17, 1970 page 1082 - Order n° 70-77 of November 17, 1970

Nationalization of the goods, shares actions, right and interest Newmont Overseas Petroleum Company. Official newspaper of the Algerian Republic N°96 of November 17, 1970, page 1083 - Order n° 70-77 of November 10, 1970

SONATRACH is authorized to apply the payment put at its load by the order N° 70-77 of November 10th  1970, concerning  the acquisition of the goods, shares, actions, rights and interests of all natures, pertaining in Algeria to the companies, subsidiaries of establishments known under the corporate name, the initials or the denomination total or partial of Mobil the Sahara, Mobil Producing the Sahara, Inc, Mobil Oil Frenchwoman and Mobil Investment AG Official newspaper of the Algerian Republic N°101 of December 4, 1970 page 1160 - Decree n°70-199 of December 1, 1970

The project presented by SONATRACH relating to construction at Arzew of gas transport  work LPG a length of about 2 700 km and 6"5/8 (168,3 mm), connecting the deposit of the CAMEL butane storage to the center enfutor of SONATRACH, is approved to it. Official newspaper of the Algerian Republic N°102 of the December 8th 1970 page 1178 - Decree of November 19, 1970

Transfer to SONATRACH of the properties, shares, rights and interests of the companies: CFP(A), SOFREPAL, companies nationalized by Decision n°71-23 of 1 April 1971. Official Journal of the People’s Democratic Republic of Algeria n°30 of 13 April1971, page369-Decree n° 71-99 of 12 April 1971.

Sixty three liquid and gas hydrocarbon exploration exclusive permits with a global area of about 570061 km2 throughout the national territory area granted to SONATRACH. Official Journal of the People’s Democratic Republic of Algeria n°43 of 28 May 1971, page553- Decree n° 71-71-127 of 13 May 1971.

Companies: CALREP, COPAL, PETRAL, SEPAL, CREPS, CPA, ALREX, SRA, SAREP AND SOMALGAZ whose authorized capital is held entirely by SONATRACH pursuant to the general regulations and conventions approved by order n° 72-24 of June 7, 1972, are dissolved as from January 1, 1972. Official newspaper of the Algerian Republic N°47 of June 13, 1972 page 575 - Decree n° 72-120 of June 7, 1972

Approval of the endorsements of May 27, 1972 with the contract of association of February 6, 1963, having been the subject of the agreement for the research and the exploitation of hydrocarbons in Algeria and to the protocol relating to the activities of research and production of hydrocarbons in Algeria of the company Getty Petroleum Company. Official newspaper of the Algerian Republic N°86 of October 27th 1972 page 1090 - Order n° 72-48 of October 5, 1972

The project presented by SONATRACH, for the construction of finished products transport work connecting the refinery of Arzew to the central deposit of the SONATRACH with small lake (Oran), is approved. Official newspaper of the Algerian Republic N°97 of December 5, 1972 page 1257 - Decree of November 14, 1972

The project consists of the addition of 04 stations of pumping which will carry the transport capacity of 8 million of 18 million tones/year, the installation of 4 roof tanks floating of a capacity of 35 000 m3 each one in Ohanet and of a drain of about 69 km length (6 "or 168, 3mm) connecting the deposit of Tin Fouyé Tabankort (TFT) to the station of pumping OPS2 of the drain Ohanet-Haoud El Hamra. Official newspaper of the Algerian Republic N° 28 of April 6, 1973 page 335 - Order n° 73-16 of April 3, 1973

The project presented by SONATRACH, relating to the "significant modification" of the drain "Ohanet - Haoud El Hamra", is approved. Official newspaper of the Algerian Republic N°37 of May 8, 1973 page 443 – Decree of April 20, 1973 

Approval of the agreement concluded  in  Algiers on July 20, 1973 between SONATRACH and the company Hispanica of Petroleos S.A, for the research and the exploitation of liquid hydrocarbons in Algeria as well as protocol relating to the activities of search and production for liquid hydrocarbons, concluded on July 20, 1973 between the Algerian State and the Hispanica company from petroleos S.A. Official newspaper  of the Algerian Republic N°67 of August 21, 1973 page 771 - Order n° 73-49 of August 21, 1973

The exclusive permit of liquid or gas hydrocarbon research said "Meguidéne" of about 46 500 km2 surface bearing on a territory part of Saoura province, is granted to SONATRACH. Official newspaper of the Algerian Republic N°98 of December 7, 1973 page 1128 - Decree n° 73-186 of November 21, 1973

Approval of the agreement for the research and the exploitation of liquid hydrocarbons in Algeria concluded in Algiers on January 9, 1974 between SONATRACH and ELF Algeria as well as the agreement of the protocol relating to activities of research and production of liquid hydrocarbons in Algeria concluded in Algiers on January 19, 1974 between the Algerian State and the company ELF Algeria. Official newspaper of the Algerian Republic N°27 of April 2, 1974, page 306, Order n°74-41 of March 20, 1974.

Approval of the protocol concluded in Algiers on January 19, 1974, between the State and the national company SONATRACH, on one hand, and the company of research and oil activity (ERAP) acting so much as its name than in the name of the members of the group ERAP, such as the term "group ERAP" is defined in the article 11 of the general payment of December 15, 1971, like in the name of the other French shareholders of TRAPES on the other hand, relating to the safe auditing of accounts with regard to companies SOPEG, SEHR and SOTHRA, is aimed at in the article 4.10 of the general payment of December 15, 1971 approved by the order n°72-24 of June 7, 1972.  Official newspaper of the Algerian Republic N°29 of April 9, 1974, page 322-323 - Order n°74-42 of April 3, 1974.

Approval of the agreement for the research and the exploitation of liquid hydrocarbons in Algeria concluded in Algiers on February 20, 1974 between SONATRACH and the company Petrobras International S.A-Braspetro as well as the protocol relating to activities of search and production for liquid hydrocarbons in Algeria, concluded in Algiers on February 20, 1974 between the State and the company Petrobras International S.a- Braspetro. Official newspaper of the Algerian Republic N°29 of April 9, 1974, page 323 - Order n°74-43 of April 3, 1974.

Nationalization of the goods shares, actions, rights and interests of any nature of the companies, subsidiaries or establishment known under the corporate name, the initials or denomination of Kinsmen company, establishments John Kinsmen, establishments Davey Smith Bickford and Co, Charbonnac company, company African Pyrotechny (PYRAF), African Northern company of Artifice (SNAFART), company Nobel Bozel, are nationalized. Official newspaper of the Algerian Republic N°29 of April 9, 1974, page 323 - Order n°74-44 of April 3, 1974

Approval of the agreement for the research and the exploitation of liquid hydrocarbons in Algeria concluded between SONATRACH on one hand, and the companies "Amoco Algeria Oil Company" and "Amoco Algeria Inc." in the other hand, and the protocol relating to activities of search and production for liquid hydrocarbons in Algeria, concluded between the State on one hand, and the companies "Amoco Algeria Oil Company" and "Amoco Algeria Inc of the other hand. Official newspaper of the Algerian Republic N°93, of November 19, 1974 page 967 order n° 74-102 of November 15, 1974.

Nationalization of the goods, shares, actions, rights and interests of any nature, held by Liquid Methane, the Algerian company of development and expansion (Socaldex), the financial company for the development of Algeria (Cofidal) and the company for the development of the Saharan areas (Sdrs), in the Algerian company of methane liquid (Camel)
Official newspaper of the Algerian Republic N°91 of November 14, 1975, page 986, Order n° 75-73 of November 12, 1975

Transfer to SONATRACH in reference to the order n°75 - 73 of November 12, 1975,of the goods, shares, actions, rights and interests of any nature held by the companies Liquid Methane, Socaldex, Cofidal and Sdrs, in the Algerian liquid methane company (CAMEL).
Official newspaper of the Algerian Republic N°91 of November 14, 1975, page 990, Decree n°75 - 129 of November 12, 1975

Approval of the endorsement to the protocol of August, 17 1971 concluded in Algiers on March 24, 1975, between the Ministry of Industry and Energy on one hand, and the companies: French company of oils, French Company of oils (Algeria) and Total Algeria on the other hand, and the agreement concluded in Algiers on November 14, 1975, between SONATRACH on one hand and the companies; French company of oils (Algeria) and Total Algeria on the other hand.
Official newspaper of the Algerian Republic N°58 of July 20, 1976, page 688, Order n° 76-61 of July 16, 1976 

The project presented by SONATRACH, relating to the construction of a transport pipe of gas hydrocarbons said "Gas pipeline n°2 Hassi R' mel - Arzew of 40" (1016 mm)", intended to feed the factory of natural gas liquefaction of Arzew, is approved
Official newspaper of the Algerian Republic N°79 of October 03, 1976, page 920 Decree of July 21, 1976 –

The project presented by SONATRACH relating to 28 condensate canalization transport construction "(711,2 mm) intended to connect the installations of Hassi R' mel to the port of Arzew, is approved
Official newspaper of the Algerian Republic N°79 of October 03, 1976, page 920, decree of July 21, 1976  –

Approval of the endorsement n° 4 concluded on July 22, 1976 between SONATRACH on one hand, and the French partner of oils and Total Algeria on the other hand, with the agreement for    exploitation research of liquid hydrocarbons in Algeria, concluded on June 5, 1973 between these same companies.
Official newspaper of the Algerian Republic N°4 of January 12, 1977, page 34 Decree n° 76-202 of December 29, 1976 –

Approval of the agreement concluded on May 11, 1976 between SONATRACH on one hand, and the companies Amoco Algeria Oil Company and Amoco Algeria Inc on the other hand, with the agreement for the research and the exploitation of liquid hydrocarbons, concluded on October 3, 1974 between these same companies.
Official newspaper of the Algerian Republic N°4 of January 12, 1977, page 34 Decree n° 76-203 of December 29, 1976 

Approval of the endorsement n°2 concluded on February 12, 1977 between SONATRACH on one hand and the companies Amoco Algeria Oil Company and Amoco Algeria Inc on the other hand, according to the agreement for the research and the exploitation of liquid hydrocarbons, concluded on October 3, 1974 between these same companies, modified by the endorsement n° 1 of May 11, 1976.
Official newspaper of the Algerian Republic N°72 of October 16, 1977, page 860, Decree 77-127 of August 28, 1977 

Approval of the endorsement concluded on May 11, 1976 between SONATRACH on one hand, and the companies Amoco Algeria Oil Company and Amoco Alegria Inc on the other hand, according to the agreement for the research and the exploitation of liquid hydrocarbons, concluded on October 3, 1974 between these same companies.
Official newspaper of the Algerian Republic N°74 of October 09, 1977, page 860 Decree 77-127 of August 28, 1977 

Approval of the convention concluded on May 10, 1977 between SONATRACH and the company "Conch International Limited Metal"
Official newspaper of the Algerian Republic N°71 of October 09, 1977, page 857 Decree n° 77-141 of October 08, 1977 

SONATRACH is placed under supervision of the Ministry of Energy and Petrochemical Industries
Official newspaper of the Algerian Republic N°4 Of January 24, 1978, Page 74 - Decree n° 77-223 of December 31, 1977 

Approval of the canalization construction project for liquid hydrocarbons transport In Aménas - Haoud El Hamra, a length of about 631 km and of a diameter of 30 inches (762 mm).
Official newspaper of the Algerian Republic N°5 Of January 15, 1978, Page 90 - Decree of January 15, 1978 

Renewal of the decree provisions n°77-79 of April 25, 1977 bearing fixation of the basic element of the reference price of liquid hydrocarbons applicable of January 1, 1977 to June 30, 1977.
Official newspaper of the Algerian Republic N°5 Of January 31, 1978, Page 89 - Decree n° 78-07 of January 28, 1978

Creation of a public market for SONATRACH
Official newspaper of the Algerian Republic N°2 of January 8, 1980, page 23, between ministries decree of November 17, 1979 

Creation of the national refining company and distribution of petroleum products (Erdp) which is a company in economic matter.
Official newspaper of the Algerian Republic N°15 of April 8, 1980, page 426, Decree n° 80-101 of April 6, 1980

Creation of the national Company of great oil work (Engtp). 
Official newspaper of the Algerian Republic N°15 of April 8, 1980, page 431, Decree n° 80-103 of April 6, 1980

Are transferred to the National Company from Large Work Oil, means, goods, activities and personnel held or managed by SONATRACH within the framework of its activities in the field of great oil work.
Official newspaper of the Algerian Republic N°15 of April 8, 1980, page 433, Decree n° 80-104 of April 6, 1980

It is created a committee of oil markets at SONATRACH
Official newspaper of the Algerian Republic N°15 of April 8, 1980, page 23,  between ministries decree of November 17, 1979

Approval of the agreement for the research and the exploitation of liquid hydrocarbons in Algeria, concluded in Algiers, July 7, 1979, between SONATRACH on one hand, and the Nafta-Gas company on the other hand, as well as the protocol relating to the activities of search and production for liquid hydrocarbons in Algeria, concluded on July 7, 1979 between the State on one hand, and the Nafta-Gas company on the other hand.
Official newspaper of the Algerian Republic N°17 Of April 22, 1980, Page 483, - Decree n°80-133 of April 18, 1980

Approval of the agreement for the search and the exploitation for the crude oil in Algeria, concluded in Algiers, May 20, 1980, between SONATRACH on one hand, and the companies Sohio Algeria Company and Sohio Algeria Supply Company on the other hand and of the protocol relating to the activities of search and production for the crude oil in Algeria, concluded on May 20, 1980, between the State on one hand and the companies relating to the activities Sohi Algeria Company and Sohio Algeria Supply Company on the other hand.
Official newspaper of the Algerian Republic N°23 of June 03, 1980, Page 674 - Decree n°80-166 of May 31, 1980  

Approval of the protocol relating to the activities of search and production for the crude oil in Algeria, concluded on May 21, 1980 between the State on one hand and the "French Company of oils" and "Total Algeria" on the other hand and from.
Official newspaper of the Algerian Republic N°24 of June 10, 1980, Page 690 - Decree n°80-169 of June 07, 1980

Approval of the agreement for the search and the exploitation for the crude oil in Algeria, concluded in Algiers on September 30, 1980 between SONATRACH on one hand and the French company "Elf Aquitaine" on the other hand and of the protocol relating to the activities of search and production for the crude oil in Algeria, concluded on September 30, 1980 between the state on one hand and the French company "Elf Aquitaine" on the other hand.
Official newspaper of the Algerian Republic N°17 Of April 28, 1981, Page 378 - Decree n°81-75 of April 25, 1981

Approval of the agreement for the search and the exploitation of the crude oil in Algeria, concluded in Algiers on October 1, 1980 between SONATRACH on one hand and the company Agip (Africa) Ltd on the other hand and the protocol relating to the activities of search and production for the crude oil in Algeria, concluded on October 01, 1980 between the State on one hand and the company Agip (Africa) Ltd on the other hand.
Official newspaper of the Algerian Republic N°17 Of April 28, 1981, Page 379 - Decree n°81-76 of April 25, 1981

Approval of the agreement for the search and the exploitation for the crude oil in Algeria, concluded in Algiers on November 12, 1980 between SONATRACH on one hand, and the Spanish company of oils S.A, on the other hand, and the protocol relating to the activities of research and the crude oil in Algeria, concluded to Algiers, November 12, 1980 between the State on one hand, and the Spanish company of oils S.A.of production on the other hand.
Official newspaper of the Algerian Republic N°17 Of April 28, 1981, Page 379 - Decree n°81-77 of April 25, 1981

Approval of the agreement for the search and the exploitation for the crude oil in Algeria, concluded in Algiers on April 29, 1981 between SONATRACH on one hand, and the Shell company of exploitation B.V. on the other hand, and the protocol relating to the activities of search and production of the crude oil in Algeria, concluded at Algiers, April 29, 1981 between the State on one hand, and the Shell company of exploitation B.V. on the other hand.
Official newspaper of the Algerian Republic N°30 Of July 28, 1981, Page 736 - Decree n°81-166 of July 25, 1981

Approval of the agreement for the search and the exploitation for the crude oil in Algeria, concluded in Algiers on December 23, 1980, between the SONATRACH on one hand, and the companies Hispanica of oil (SA) and Hispanoil Algeria, on the other hand, and of the protocol relating to the activities of search and production for the crude oil in Algeria, concluded in Algiers on December 23, 1980 between the State on  one hand, and the company Hispanica  Petroleum (SA) and Hispanoil Algeria on the other hand.
Official newspaper of the Algerian Republic N°32 Of August 11, 1981, Page 736 - Decree n°81-188 of August 08, 1981 

Approval of the endorsement n° 1 according to the agreement for the research and the exploitation of the crude oil between SONATRACH on one hand, and the company Petrobas international S.A/Braspetro on the other hand, bearing extension of the validity period and research phase to the activities of search and production for the crude oil in Algeria, concluded at Algiers, April 22, 1985 between the State on one hand and the companies for the Zelfana piece.
Official newspaper of the Algerian Republic N°06 of February 3, 1985, page 85 - Decree n°85-17 of February 2, 1985

Approval of the endorsement n° 1 according to the agreement for the search and the exploitation for the crude oil between SONATRACH on one hand, and the company Gelsenberg A.G. on the other hand, bearing extension of the validity period of the research phase for the El-Merk piece
Official newspaper of the Algerian Republic N°06 of February 3, 1985, page 85 - Decree n°85-18 of February 2, 1985 

Approval of the endorsement to the agreement for the search and the production for the crude oil in Algeria, concluded in Algiers, April 22, 1985, between SONATRACH on one hand, and the Shell company of exploration B.V, on the other hand.
Official newspaper of the Algerian Republic N°11 of March 12, 1986, Page 273- Decree n° 86-47 of March 11, 1986. 

Approval of the endorsement n° 1 according to  the agreement for the search and the exploitation for the crude oil in Algeria, concluded in Algiers on April 22, 1985 between SONATRACH on one hand, and the companies Agip (Africa) Ltd and Agip (Algeria) limited liability company on the other hand, and of the endorsement n°1 in Protocol relating to the activities of search and production for the crude oil in Algeria, concluded at Algiers, April 22, 1985 between the State on one hand and company AGIP (Africa) Ltd and Agip (Algeria) limited liability company on the other hand and of the endorsement n°1 in the protocol relating to the activities of search and production for the crude oil in Algeria, concluded in Algiers, April 22, 1985 between the state on one hand and the companies Agip (Africa) Ltd and Agip(Algeria) limited liability company, on the other hand.
Official newspaper of the Algerian Republic N°11 of March 12, 1986, page 273 - Decree n° 86 - 48 of March 11, 1986. 

Approval of the endorsement to the agreement for research and the exploitation of the crude oil in Algeria, concluded in Algiers, June 10, 1985, between SONATRACH on one hand and the companies Hispanica petroleos S.A. and Hespanoil Algeria on the other hand, and of the endorsement n°1 in  Protocol relating to the activities of search and production for the crude oil in Algeria, concluded at Algiers, June 10, 1985 between the State on one hand and the company Hispanica petroleos S.A. and Hispanoil Algeria on the other hand.
Official newspaper of the Algerian Republic N°11 of March 12, 1986, page 274- Decree n° 86-49 of March 11, 1986. 

Approval of the agreement for the research and the exploitation of liquid hydrocarbons in Algeria, concluded in Algiers on April 8, 1986, between SONATRACH on one hand and the Nafta-Gas company on the other hand, and of the protocol relating to the activities of research and production of liquid hydrocarbons in Algeria, concluded in Algiers on April 8, 1986, between the State on one hand, and Nafta-Gas on the other hand.
Official newspaper of the Algerian Republic N°36 of September 3, 1986, page 1041- Decree n° 86-223 of September 2, 1986. 

Approval of the endorsement n°2 to the agreement on July 7, 1979 for the research and the exploitation of liquid hydrocarbons in Algeria, concluded in Algiers on April 8 June 1986, between SONATRACH on one hand and the Nafta-Gas company on the other hand and of the endorsement n°1 to the protocol of July, 7 1979 relating to the activities of research and production of liquid hydrocarbons in Algeria, concluded in Algiers, April 8, 1986 between the State on one hand and Nafta - Gas on the other hand,
Official newspaper of the Algerian Republic N°36 of September 3, 1986, page 1041- Decree n° 86-224 of September 2, 1986. 

To be followed ….