GB1542356A - Process for acidizing oil reservoirs with acids containing salicyclic acid or sulphosalicyclic acid - Google Patents

Process for acidizing oil reservoirs with acids containing salicyclic acid or sulphosalicyclic acid

Info

Publication number
GB1542356A
GB1542356A GB5048777A GB5048777A GB1542356A GB 1542356 A GB1542356 A GB 1542356A GB 5048777 A GB5048777 A GB 5048777A GB 5048777 A GB5048777 A GB 5048777A GB 1542356 A GB1542356 A GB 1542356A
Authority
GB
United Kingdom
Prior art keywords
acid
acids containing
sulphosalicyclic
oil reservoirs
acidizing oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5048777A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/748,087 external-priority patent/US4096914A/en
Priority claimed from US05/809,586 external-priority patent/US4137972A/en
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of GB1542356A publication Critical patent/GB1542356A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/62—Compositions for forming crevices or fractures
    • C09K8/72—Eroding chemicals, e.g. acids
    • C09K8/74—Eroding chemicals, e.g. acids combined with additives added for specific purposes
    • C09K8/78—Eroding chemicals, e.g. acids combined with additives added for specific purposes for preventing sealing
GB5048777A 1976-12-06 1977-12-05 Process for acidizing oil reservoirs with acids containing salicyclic acid or sulphosalicyclic acid Expired GB1542356A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/748,087 US4096914A (en) 1976-12-06 1976-12-06 Acidizing asphaltenic oil reservoirs with acids containing salicylic acid
US05/809,586 US4137972A (en) 1977-06-24 1977-06-24 Acidizing reservoirs while chelating iron with sulfosalicylic acid

Publications (1)

Publication Number Publication Date
GB1542356A true GB1542356A (en) 1979-03-14

Family

ID=27114869

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5048777A Expired GB1542356A (en) 1976-12-06 1977-12-05 Process for acidizing oil reservoirs with acids containing salicyclic acid or sulphosalicyclic acid

Country Status (2)

Country Link
BR (1) BR7708101A (en)
GB (1) GB1542356A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133416A (en) * 1982-12-22 1984-07-25 Shell Int Research Thickened aqueous hydrochloric acid compositions used as lime scale removers and acidification of subterranean formations
GB2158487A (en) * 1984-05-11 1985-11-13 Dow Chemical Co Gelled acid composition for acidizing subterranean formations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133416A (en) * 1982-12-22 1984-07-25 Shell Int Research Thickened aqueous hydrochloric acid compositions used as lime scale removers and acidification of subterranean formations
GB2158487A (en) * 1984-05-11 1985-11-13 Dow Chemical Co Gelled acid composition for acidizing subterranean formations

Also Published As

Publication number Publication date
BR7708101A (en) 1978-07-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee