Power Generation Via Drillstring Pipe Reciprocation
AssigneeSchlumberger Technology Corporation
InventorsRaphael Gadot, Jan Morley
Life of this patent
Estimating the term…
Abstract
A wireline configurable toolstring is conveyed within a wellbore extending into a subterranean formation via a tubular string to which the wireline configurable tool string is coupled in a manner permitting relative motion of the wireline configurable toolstring and the tubular string. The wireline configurable toolstring converts rotary motion imparted by rotation of the tubular string, or by fluid flow resulting from reciprocation of the tubular string, into electrical energy. The wireline configurable toolstring also comprises at least one wireline configurable instrument powered by the electrical energy.
Claims20
A method, comprising:
- conveying a wireline configurable toolstring within a wellbore extending into a subterranean formation via a tubular string to which the wireline configurable tool string is coupled in a manner permitting relative reciprocation of the wireline configurable toolstring and the tubular string;
- and
- reciprocating the tubular string relative to the wireline configurable toolstring within the wellbore;
- wherein the wireline configurable toolstring:
- converts fluid flow resulting from the tubular string reciprocation into electrical energy;
- and
- comprises at least one wireline configurable instrument powered by the electrical energy.
A method, comprising:
- conveying a wireline configurable toolstring within a wellbore extending into a subterranean formation via a tubular string to which the wireline configurable tool string is coupled;
- and
- rotating the tubular string relative to the wireline configurable toolstring within the wellbore;
- wherein the wireline configurable toolstring:
- converts the tubular string rotation relative to the wireline configurable toolstring into electrical energy;
- and
- comprises at least one wireline configurable instrument powered by the electrical energy.
An apparatus, comprising:
- a wireline configurable toolstring comprising:
- an interface to couple the wireline configurable toolstring with a tubular string in a manner permitting relative reciprocation of the wireline configurable toolstring and the tubular string, wherein the wireline configurable toolstring is conveyable within a wellbore extending into a subterranean formation via the tubular string;
- a converter of fluid flow resulting from relative reciprocation of the wireline configurable toolstring and the tubular string into electrical energy;
- and
- a wireline configurable instrument powered by electrical energy received from the converter.
Dependencies are inferred from the claim text.