Integrated cable hanger pick-up system
AssigneeSchlumberger Technology Corporation
InventorsMichael A. Dowling, Jason Kamphaus, Harryson Sukianto, Alain P. Dorel, Joseph Varkey
Life of this patent
Estimating the term…
Abstract
A hanger system is provided for supporting a cable-supported dewatering pump in a gas well. A dewatering pump is supported in a downhole location by a cable. A cable hanger bears the weight of the cable and the weight of the dewatering pump. A pulling tool is configured to detachably connect to the cable hanger and to support the weight of the cable hanger, cable and gas well dewatering system as it is pulled out of a seated position in the well.
Claims20
A hanger system supporting a cable-supported dewatering pump in a gas well, the hanger system comprising:
- an electrical power cable;
- a dewatering pump that is deployed on and supported in a downhole location by the electrical power cable;
- a cable hanger bearing the weight of the electrical power cable and the weight of the dewatering pump;
- and
- a pulling tool configured to detachably connect to the cable hanger and to support the weight of the cable hanger, electrical power cable and dewatering pump,
- wherein the pulling tool comprises a bearing sleeve and a locking sleeve, one of the bearing sleeve and locking sleeve being slideable axially relative to the other to selectively lock the bearing sleeve and locking sleeve together and thereby allow the pulling tool to support the cable hanger.
A hanger system supporting a cable-supported dewatering pump in a gas well, the hanger system comprising:
- a cable;
- a dewatering pump that is deployed on and supported in a downhole location by the cable;
- a cable hanger bearing the weight of the cable and the weight of the dewatering pump;
- and
- a pulling tool configured to detachably connect to the cable hanger and to support the weight of the cable hanger, cable and dewatering pump;
- wherein the pulling tool comprises a bearing sleeve and a locking sleeve, one of the bearing sleeve and locking sleeve being slideable axially relative to the other to selectively cause a ball bearing to engage with and bear on surfaces of the cable hanger and on the pulling tool to thereby allow the pulling tool to support the cable hanger.
Dependencies are inferred from the claim text.