Use of esters of sulfonic acids as anti-sludge agents during the acidizing of formations containing sludging crude oils

Patent · Tue Apr 10 00:00:00 EST 1984

OSTI ID:6606444

Looney, J R; McDougall, L A

An anti-sludge agent useful for acid stimulated hydrocarbon containing formations is an ester of sulfonic acid, e.g. monoethoxylated dodecyl benzene sulfonic acid, preferably used in combination with from 0.1 to 2 parts by weight of a surfactant.

• Assignee: Exxon Research and Engineering Co.
• Patent Number(s): US 4442014
• OSTI ID: 6606444
• Resource Relation: Patent File Date: Filed date 1 Feb 1982; Other Information: PAT-APPL-344606
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
DISPLACEMENT FLUIDS
CHEMICAL COMPOSITION
OIL WELLS
ACIDIZATION
SULFONIC ACID ESTERS
ADDITIVES
BENZENE
CATALYTIC EFFECTS
SLUDGES
SURFACTANTS
WELL STIMULATION
AROMATICS
ESTERS
FLUIDS
HYDROCARBONS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
STIMULATION
WELLS
020300* - Petroleum- Drilling & Production