Method for releasing stuck drill pipe
Patent
·
OSTI ID:6325254
A method is revealed for releasing a stuck drill string in a borehole of an underground formation by application of an additive fluid comprising fresh water or brine and a polymer material.
- Assignee:
- Texaco Inc.
- Patent Number(s):
- US 4466486
- OSTI ID:
- 6325254
- Resource Relation:
- Patent File Date: Filed date 11 Apr 1983; Other Information: PAT-APPL-483786
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
03 NATURAL GAS
DRILL PIPES
REMOVAL
ADDITIVES
BRINES
CHEMICAL COMPOSITION
FRESH WATER
NATURAL GAS WELLS
OIL WELLS
POLYMERS
WELL DRILLING
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS
PIPES
WATER
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing
03 NATURAL GAS
DRILL PIPES
REMOVAL
ADDITIVES
BRINES
CHEMICAL COMPOSITION
FRESH WATER
NATURAL GAS WELLS
OIL WELLS
POLYMERS
WELL DRILLING
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
HYDROGEN COMPOUNDS
OXYGEN COMPOUNDS
PIPES
WATER
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing