Polyurethane ball sealers for well treatment fluid diversion
Patent
·
OSTI ID:5382620
Ball sealers comprising a solid core coated with a polyurethane elastomer are introduced into a well to seal well perforations and divert fluid therein. In the preferred embodiment the ball sealers are used in a hydrocarbon liquid treating fluid and have a density less than the treating fluid.
- Assignee:
- Exxon Production Research Co.
- Patent Number(s):
- US 4407368
- OSTI ID:
- 5382620
- Country of Publication:
- United States
- Language:
- English
Similar Records
Low density ball sealers for use in well treatment fluid diversions
Well treatment fluid diversion with low density ball sealers
Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion
Patent
·
Mon Jan 12 23:00:00 EST 1981
·
OSTI ID:6433013
Well treatment fluid diversion with low density ball sealers
Patent
·
Tue Jul 25 00:00:00 EDT 1978
·
OSTI ID:6508395
Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion
Patent
·
Mon Jan 04 23:00:00 EST 1988
·
OSTI ID:5339987
Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
DESIGN
FLUID INJECTION
MATERIALS
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERFORATION
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYAMIDES
POLYMERS
POLYURETHANES
SEALS
SPHERES
SYNTHETIC MATERIALS
WELL COMPLETION
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
DESIGN
FLUID INJECTION
MATERIALS
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERFORATION
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
POLYAMIDES
POLYMERS
POLYURETHANES
SEALS
SPHERES
SYNTHETIC MATERIALS
WELL COMPLETION
WELLS