Downhole tool
AssigneeSaudi Arabian Oil Company
InventorsNajeeb Al-Abdulrahman, Suliman M. Azzouni, Mohammed K. Muqri
Life of this patent
Estimating the term…
Abstract
A downhole tool includes a top sub-assembly configured to couple to a downhole conveyance operable to move the downhole tool through a wellbore; a housing coupled to the top sub-assembly and including a retention sub-assembly mounted in the housing and a slot formed in a downhole end of the housing and shaped to engage a mudline abandonment cap; and a locking sleeve coupled to the retention sub-assembly and moveable, by the retention sub-assembly, to adjustably lock the slot to the mudline abandonment cap.
Claims29
A downhole tool, comprising:
- a top sub-assembly configured to couple to a downhole conveyance operable to move the downhole tool through a wellbore;
- a housing coupled to the top sub-assembly and comprising a retention sub-assembly mounted in the housing and a slot formed in a downhole end of the housing and shaped to engage a mudline abandonment cap;
- and
- a locking sleeve coupled to the retention sub-assembly and moveable, by the retention sub-assembly, to adjustably lock the slot to the mudline abandonment cap.
A method for adjusting a mudline abandonment cap, comprising:
- running a downhole tool into a wellbore on a downhole conveyance, the downhole tool comprising:
- a top sub-assembly coupled to the downhole conveyance,
- a housing coupled to the top sub-assembly and comprising a retention sub-assembly mounted in the housing and a slot formed in a downhole end of the housing and shaped to engage a mudline abandonment cap, and
- a locking sleeve coupled to the retention sub-assembly,
- landing the downhole tool on the mudline abandonment cap to engage at least a portion of the mudline abandonment cap with the slot;
- providing a power signal, through the downhole conveyance, to the retention sub-assembly;
- and
- based on the power signal, operating the retention sub-assembly to move the locking sleeve into a locked position with the slot engaged with the mudline abandonment cap.
A mudline suspension running tool, comprising:
- a body defining a volume and comprising:
- an uphole portion configured to engage a downhole conveyance operable to move the body through a wellbore, and
- a downhole portion comprising a j-slot shaped to receive a pin of a mudline temporary abandonment cap;
- and
- a locking system at least partially enclosed within the volume and comprising a sleeve adjustable between a first position that engages the pin in the j-slot and a second position that releases the pin from the j-slot.
Dependencies are inferred from the claim text.