Method for treating a well bore
Patent
·
OSTI ID:6777509
This patent describes a method for treating a well bore and the surrounding subterranean formation. It comprises: preparing a fluid by admixing an aqueous liquid, a solvatable polysaccharide selected from the group comprising galactomannans, galactomannan derivatives and derivitized cellulose ethers and crosslinking agent for the polysaccharide; admixing a non-reducing sugar in an amount sufficient to induce viscosity reduction of the fluid under well bore conditions; and injecting the fluid into the well bore.
- Assignee:
- Halliburton Co., Duncan, OK (USA)
- Patent Number(s):
- A; US 4946604
- Application Number:
- PPN: US s 7-276189
- OSTI ID:
- 6777509
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CARBOHYDRATES
CELLULOSE
CHEMICAL COMPOSITION
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
PLUGGING
PLUGGING AGENTS
POLYSACCHARIDES
SACCHARIDES
WELL COMPLETION
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CARBOHYDRATES
CELLULOSE
CHEMICAL COMPOSITION
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
PLUGGING
PLUGGING AGENTS
POLYSACCHARIDES
SACCHARIDES
WELL COMPLETION
WELLS