Compositions for agglomerating solid contaminants in well fluids and methods for using same

Patent · Tue Jan 10 00:00:00 EST 1989

OSTI ID:6161220

Gabel, R K; Law, R E

A composition is described useful for agglomerating solid contaminants in a well fluid comprising: (a) at least about 10 percent by weight, relative to the total composition weight, of a surfactant comprising amides and glycerides formed by contacting one or more secondary amines selected from the group consisting of Alkyl secondary amines having from 2 to 8 carbon atoms, saturated aliphatic hydroxyl-containing secondary amines having from 2 to 8 carbon atoms, and mixtures thereof with triglyceride fats, triglyceride oils or mixtures thereof; and (b) a carrier capable of forming a solution with the surfactant and which is substantially insoluble in the well fluid and is selected from the group consisting of alkanolamines having from 2 to 8 carbons, alcohols having from 6 to 24 carbons, fatty acids having 12 to 24 carbons, aliphatic hydrocarbons selected from the group consisting of straight chain hydrocarbons, branched hydrocarbons and cycloaliphatic hydrocarbons having 8 to 20 carbons, aromatic hydrocarbons selected from group consisting of substituted and unsubstituted benzenes and napthalenes and mixtures thereof.

• Assignee: Nalco Chemical Co., Naperville, IL
• Patent Number(s): US 4796703
• OSTI ID: 6161220
• Resource Relation: Patent File Date: Filed date 17 Aug 1987
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
DRILLING FLUIDS
ADDITIVES
SOLIDS
AGGLOMERATION
ALKYL RADICALS
AMIDES
AMINES
CHEMICAL COMPOSITION
ESTERS
IMPURITIES
NATURAL GAS WELLS
OIL WELLS
ROCK DRILLING
SURFACTANTS
DRILLING
FLUIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
RADICALS
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing