Cement mixer and multiple purpose pumper (cmmp) for land rig
AssigneeSchlumberger Technology Corporation
InventorsJacques Orban, Shunfeng Zheng, Bartley Patton, Eric Erickson
Life of this patent
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Abstract
Embodiments disclosed provide a pump assembly including a first pump for delivering at least one fluid. The first pump may include a first inlet coupled to the first pump for delivering at least one first fluid to the first pump, a second inlet coupled to the first pump for delivering at least one second fluid to the first pump, a first discharge coupled to the first pump for delivering the at least one first fluid at a first pressure, and a second discharge coupled to the first pump for delivering the at least one second fluid at a second pressure. In some embodiments, the first discharge and the second discharge are isolated from each other.
Claims4
A system for use at a wellsite, the system comprising:
- a pump assembly having a pump;
- a mud supply to provide mud to the pump assembly;
- and
- a cement mixing system to provide a cementing fluid to the pump assembly;
- a control unit configured to control the pump assembly to:
- operate the pump to perform a mud pumping operation by pumping mud downhole during drilling of a borehole;
- and
- operate the pump to perform a cementing operation by pumping the cementing fluid downhole to cement casing in the borehole.
Dependencies are inferred from the claim text.