Well site pump with integrated driver and hydraulic motor and method of using same

Abstract

In at least one aspect, this disclosure relates to a wellsite pump for a well site having a wellbore penetrating a subterranean formation. The well site has a conduit to pass a wellsite fluid about the wellsite. The wellsite pump includes a housing having an intake and an outtake, at least one hydraulic motor to pump the wellsite fluid from the intake and through the outtake, at least one driver coupled to the hydraulic motor and movable therewith, and a power source. The intake is in fluid communication with the conduit, and the outtake is positioned a distance upstream of the intake. The hydraulic motor includes a rotor and a stator. The power source drives the driver and the hydraulic motor coupled thereto whereby the wellsite fluid is advance from the conduit to a location upstream therefrom.

1 . A wellsite pump for a wellsite having a wellbore penetrating a subterranean formation, the wellsite having a conduit to pass a wellsite fluid about the wellsite, the wellsite pump comprising:
 a housing having an intake and an outtake, the intake in fluid communication with the conduit;   at least one hydraulic motor to pump the wellsite fluid from the intake and through the outtake, the at least one hydraulic motor comprising a rotor and a stator;   at least one driver coupled to the at least one hydraulic motor and movable therewith;   at least one coupling to movable couple the at least one hydraulic motor to the at least one driver, the at least one coupling fluidly isolating the at least one hydraulic motor from the at least one driver; and   a power source to drive the at least one driver and the at least one hydraulic motor coupled thereto whereby the wellsite fluid is advanced from the conduit to a location upstream of the conduit.   
     
     
         2 . The wellsite pump of  claim 1 , further comprising a dock operatively connecting the intake to the conduit. 
     
     
         3 . The wellsite pump of  claim 1 , further comprising a support. 
     
     
         4 . The wellsite pump of  claim 1 , further comprising a mascerator. 
     
     
         5 . The wellsite pump of  claim 1 , wherein the conduit is one of a riser, a drill string, coiled tubing, a choke line, a kill line, return line, auxiliary line, a subsea stack, and cables. 
     
     
         6 . The wellsite pump of  claim 1 , wherein the conduit extends from a fluid source at a surface location. 
     
     
         7 . The wellsite pump of  claim 6 , wherein the fluid source comprises one of an air source, a fluid tank, and a mud pit. 
     
     
         8 . The wellsite pump of  claim 1 , wherein the outtake is in fluid communication with one of the conduit, a fluid source, a fluid storage, an auxiliary wellsite, and combinations thereof. 
     
     
         9 . The wellsite pump of  claim 1 , wherein the at least one hydraulic motor comprises a progressive cavity motor comprising a rotor and a stator. 
     
     
         10 . The wellsite pump of  claim 9 , wherein the rotor has at least one rotor lobe and the stator has at least one stator lobe. 
     
     
         11 . The wellsite pump of  claim 1 , further comprising a fluid circuit extending between the intake and the outtake. 
     
     
         12 . The wellsite pump of  claim 11 , wherein the fluid circuit comprises at least one fluid control device to control the flow of the wellsite fluid therethrough. 
     
     
         13 . The wellsite pump of  claim 12 , wherein the fluid control device comprises at least one of a valve, a flowline, a bypass, and combinations thereof. 
     
     
         14 . The wellsite pump of  claim 1 , further comprising electronics to operate the at least one driver. 
     
     
         15 . The wellsite pump of  claim 1 , wherein the at least one hydraulic motor comprises a plurality of hydraulic motors and the at least one driver comprises a plurality of drivers. 
     
     
         16 . The wellsite pump of  claim 15 , wherein the plurality of hydraulic motors and the plurality of drivers are connected in series. 
     
     
         17 . The wellsite pump of  claim 15 , wherein the plurality of hydraulic motors and the plurality of drivers are connected in parallel. 
     
     
         18 . The wellsite pump of  claim 1 , wherein the at least one driver comprises a hydraulic motor and the power source comprises a driver fluid passing about the at least one driver. 
     
     
         19 . The wellsite pump of  claim 18 , wherein the driver fluid provides a pressure differential to drive the at least one driver. 
     
     
         20 . The wellsite pump of  claim 18 , wherein the driver fluid comprises one of drilling mud, sea water, hydraulic fluid, and combinations thereof. 
     
     
         21 . The wellsite pump of  claim 1 , wherein the at least one driver comprises an electric motor and the power source comprises electronics to drive the at least one driver. 
     
     
         22 . The wellsite pump of  claim 1 , wherein the power source comprises a supply pumping unit comprising a hydraulic motor driven by a pressure differential across the at least one hydraulic motor, the supply pumping unit operatively connectable to the driver to pump a driver fluid through the driver. 
     
     
         23 . (canceled) 
     
     
         24 . A wellsite pump for a wellsite having a wellbore penetrating a subterranean formation, the wellsite having a conduit to pass a wellsite fluid about the wellsite, the wellsite pump comprising:
 a housing having an intake and an outtake, the intake in fluid communication with the conduit;   at least one hydraulic motor to pump the wellsite fluid from the intake and through the outtake, the at least one hydraulic motor comprising a rotor and a stator; and   at least one driver operatively connected to the at least one hydraulic motor via at least one coupling to translate movement therebetween, the at least one coupling to movably couple the at least one hydraulic motor to the at least one driver, the at least one coupling fluidly isolating the at least one hydraulic motor from the at least one driver; and   a power source to drive the at least one driver and thereby the at least one hydraulic motor coupled thereto whereby the wellsite fluid is advanced from the conduit to a location upstream of the conduit.   
     
     
         25 . The wellsite pump of  claim 24 , wherein the at least one coupling comprises connectors, bearings, an intermediate adapter and a coupling housing. 
     
     
         26 . The wellsite pump of  claim 24 , wherein the at least one coupling comprises a safety catch, an end adapter, and a top sub. 
     
     
         27 . The wellsite pump of  claim 24 , wherein the at least one coupling comprises a seal coupling comprising at least one seal. 
     
     
         28 . The wellsite pump of  claim 26 , wherein the at least one seal comprises at least one of a barrier seal and a static seal. 
     
     
         29 . The wellsite pump of  claim 26 , wherein the at least one seal comprises ball seals. 
     
     
         30 . The wellsite pump of  claim 24 , wherein the at least one coupling comprises a linkage coupling comprising a linkage, one end of the linkage coupled to the at least one hydraulic motor, the other end of the linkage coupled to the at least one driver. 
     
     
         31 . The wellsite pump of  claim 24 , wherein the linkage coupling comprising at least one of orbital and rotational movement. 
     
     
         32 . The wellsite pump of  claim 24 , wherein the at least one coupling comprises a housing with an inlet and an outlet. 
     
     
         33 . A method of pumping a wellsite fluid about a wellsite having a wellbore penetrating a subterranean formation, the wellsite having a conduit to pass the wellsite fluid about the wellsite, the method comprising:
 operatively connecting a wellsite assembly to the conduit, the wellsite assembly comprising a housing, at least one hydraulic motor, and at least one driver;   driving the at least one driver with a power source by rotating the at least one driver and the at least one hydraulic motor via at least one coupling;   fluidly isolating the at least one driver from the at least one hydraulic motor with the at least one coupling; and   advancing the wellsite fluid from the conduit to a location upstream of the conduit by driving the at least one hydraulic motor with the driver.   
     
     
         34 . The method of  claim 33 , wherein the driving the at least one driver with a power source comprises rotating the at least one driver with an electric motor. 
     
     
         35 . The method of  claim 33 , wherein the driving the at least one driver with a power source comprises passing a driver fluid through the at least one driver. 
     
     
         36 . The method of  claim 33 , wherein the operatively connecting comprises connecting an intake of the wellsite assembly to the conduit and an outtake of the wellsite assembly to the conduit a distance upstream from the intake, and wherein the advancing comprises passing the wellsite fluid from the intake to the outtake. 
     
     
         37 . The method of  claim 33 , wherein the advancing comprises passing the wellsite fluid through a plurality of the at least one hydraulic motor in one of series and parallel. 
     
     
         38 . The method of  claim 33 , wherein the advancing comprises increasing one of flow rate and pressure of the wellsite fluid by passing the wellsite fluid through a plurality of the at least one hydraulic motor. 
     
     
         39 . (canceled) 
     
     
         40 . The method of  claim 33 , further comprising sealing at least a portion of the at least one coupling. 
     
     
         41 . The method of  claim 33 , wherein the driving comprises passing a driver fluid through the at least one driver.