US 12,326,061 B2
Methodology and system for utilizing rig mud pump assembly
Bartley Patton, Rosharon, TX (US); William Troy Huey, Denver, CO (US); and Mark Vaughan, Sugar Land, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on Jul. 12, 2023, as Appl. No. 18/351,204.
Claims priority of provisional application 63/490,956, filed on Mar. 17, 2023.
Prior Publication US 2024/0309727 A1, Sep. 19, 2024
Int. Cl. E21B 21/08 (2006.01); B28C 9/00 (2006.01); E21B 7/00 (2006.01); E21B 21/06 (2006.01); E21B 33/13 (2006.01)
CPC E21B 33/13 (2013.01) [B28C 9/004 (2013.01); E21B 7/00 (2013.01); E21B 21/062 (2013.01); E21B 21/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method performed at a wellsite, the method comprising:
providing a mud pump assembly with mud pumps positioned on a rig located at the wellsite;
operating the mud pumps to perform a mud pumping operation by pumping mud from a mud supply through the mud pumps to a mud outlet of the mud pump assembly to provide the mud downhole during drilling of a borehole;
clearing the mud from the mud pump assembly by flowing a flushing fluid through a flush out line of a suction manifold of the mud pump assembly to a cleanout port of the mud pump assembly; and
subsequently operating the mud pumps to perform a cementing operation by pumping cementing fluid from a cementing supply through the mud pumps to a cement outlet of the mud pump assembly to provide the cementing fluid downhole to cement casing in the borehole, thus utilizing the same mud pumps to pump the mud for the mud pumping operation and to pump the cementing fluid for the cementing operation.