Rod pump gas anchor and separator for horizontal wells and method of use
AssigneeTexas Tech University System
InventorMarshall Watson
Life of this patent
Estimating the term…
Abstract
A system, method, and apparatus for separating liquid from gas in a horizontal well comprises a first tubing member comprising one of a screen-walled tube and a perforated tube, and a second tubing member configured inside the first tubing member, the second tubing member comprising a blank-walled tube section and one of a screen walled tube section and a perforated tube section, wherein the second tubing member has a smaller diameter than the first tubing member.
Claims17
A system for separating liquid from gas in a horizontal well comprising:
- a first tubing member comprising one of a screen-walled tube or a perforated tube;
- and
- a second tubing member configured inside said first tubing member, said second tubing member comprising a blank-walled tube section and one of a screen walled tube section or a perforated tube section wherein said blank-walled tube section extends from a connection between said second tubing member and a mainline pipe, to a point where said second tubing member contacts said first tubing member, and wherein said screen walled tube section of said second tubing member extends from said point where said second tubing member contacts said first tubing member to a terminal end of said second tubing member, wherein said second tubing member has a smaller diameter than said first tubing member.
An apparatus for extracting liquid from a horizontal well comprising:
- a first tubing member comprising at least one of a screen-walled tube or a perforated tube;
- a second tubing member configured inside said first tubing member, said second tubing member comprising a blank-walled tube section and one of a screen walled tube section or a perforated tube section, wherein said second tubing member has a smaller diameter than said first tubing member;
- a mainline pipe connected to said second tubing member;
- wherein said blank-walled tube section extends from a connection between said second tubing member and said mainline pipe, to a point where said second tubing member contacts said first tubing member, and wherein said screen walled tube section of said second tubing member extends from said point where said second tubing member contacts said first tubing member to a terminal end of said second tubing member;
- and
- a pump for extracting liquid in said second tubing member.
A method for extracting liquid from a well comprising:
- collecting flowing liquid in a first tubing member comprising at least one of a screen-walled tube or a perforated tube;
- moving liquid in said first tubing member into a second tubing member configured inside said first tubing member, said second tubing member comprising a blank-walled tube section, said blank-walled tube section extending from a connection between said second tubing member and a mainline pipe, to a point where said second tubing member contacts said first tubing member, and at least one of a screen walled tube section or a perforated tube section said screen walled tube section or said perforated tube section of said second tubing member extending from said point where said second tubing member contacts said first tubing member to a terminal end of said second tubing member, wherein said second tubing member has a smaller diameter than said first tubing member;
- pulling liquid in said second tubing member into said mainline pipe connected to said second tubing member with a connection member;
- and
- pumping said liquid in said mainline pipe to a well surface.
Dependencies are inferred from the claim text.