High flow, insert safety valve, well pressure insensitive
AssigneeHalliburton Energy Services, Inc.
InventorsMatthew Gassen, James Dan Vick, Jr.
Life of this patent
Estimating the term…
Abstract
An insert valve installed, at least partially, in a safety valve that includes a flow port disposed on an exterior of the insert valve, a poppet configured to control a fluid flow through the flow port, a piston rod, disposed uphole from the poppet, configured to move the poppet past at least part of the flow port, where the piston rod includes an upper exposed piston area exposed to an internal volume of the insert valve, and a lower exposed piston area exposed to the internal volume of the insert valve, and a hydraulic control port configured to control movement of the piston rod.
Claims20
An insert valve installed, at least partially, in a safety valve, comprising:
- a flow port disposed on an exterior of the insert valve;
- a poppet configured to control a fluid flow through the flow port;
- a piston rod, disposed uphole from the poppet, configured to move the poppet past at least part of the flow port, wherein the piston rod comprises:
- an upper exposed piston area exposed to an internal volume of the insert valve;
- and
- a lower exposed piston area exposed to the internal volume of the insert valve,
- wherein the piston rod translates, at least partially, in a piston bore;
- a hydraulic control port configured to control movement of the piston rod;
- a piston seal, disposed on the piston rod, that separates the piston bore into an upper piston bore and a lower piston bore;
- an upper rod seal that isolates the upper piston bore from the internal volume of the insert valve;
- and
- a lower rod seal that isolates the lower piston bore from the internal volume of the insert valve.
An insert valve installed, at least partially, in a safety valve, comprising:
- a flow port disposed on an exterior of the insert valve;
- a poppet configured to control a fluid flow through the flow port;
- a piston rod, disposed uphole from the poppet, configured to move the poppet past at least part of the flow port, wherein the piston rod comprises:
- an upper exposed piston area exposed to an internal volume of the insert valve;
- and
- a lower exposed piston area exposed to the internal volume of the insert valve,
- wherein the upper exposed piston area is greater than the lower exposed piston area;
- and
- a hydraulic control port configured to control movement of the piston rod.
An insert valve of installed, at least partially, in a safety valve, comprising:
- a flow port disposed on an exterior of the insert valve;
- a poppet configured to control a fluid flow through the flow port;
- a piston rod, disposed uphole from the poppet, configured to move the poppet past at least part of the flow port, wherein the piston rod comprises:
- an upper exposed piston area exposed to an internal volume of the insert valve;
- and
- a lower exposed piston area exposed to the internal volume of the insert valve,
- wherein the lower exposed piston area is greater than the upper exposed piston area;
- and
- a hydraulic control port configured to control movement of the piston rod.
An insert valve installed, at least partially, in a safety valve in a borehole, comprising:
- a flow port disposed on an exterior of the insert valve;
- a poppet configured to control a fluid flow through the flow port;
- a piston rod that translates, at least partially, in a piston bore and is configured to move the poppet past at least part of the flow port, wherein the piston rod comprises:
- an upper exposed piston area exposed to an internal volume of the insert valve;
- and
- a lower exposed piston area exposed to the internal volume of the insert valve,
- wherein the upper exposed piston area is greater than the lower exposed piston area, and
- wherein a pressure in the internal volume of the insert valve causes a net downward force;
- and
- a piston seal, disposed on the piston rod, that separates the piston bore into an upper piston bore and a lower piston bore;
- a hydraulic control port in a first fluid contact with the upper piston bore;
- and
- a pressure chamber that in a second fluid contact with the lower piston bore.
An insert valve installed, at least partially, in a safety valve in a borehole, comprising:
- a flow port disposed on an exterior of the insert valve;
- a poppet configured to control a fluid flow through the flow port;
- a piston rod that translates, at least partially, in a piston bore and is configured to move the poppet past at least part of the flow port, wherein the piston rod comprises:
- an upper exposed piston area exposed to an internal volume of the insert valve;
- and
- a lower exposed piston area exposed to the internal volume of the insert valve,
- wherein the lower exposed piston area is greater than the upper exposed piston area, and
- wherein a pressure in the internal volume of the insert valve causes a net upward force;
- and
- a piston seal, disposed on the piston rod, that separates the piston bore into an upper piston bore and a lower piston bore;
- a hydraulic control port in a first fluid contact with the upper piston bore;
- and
- a pressure chamber that in a second fluid contact with the lower piston bore.
Dependencies are inferred from the claim text.