Systems and methods for a modular drum with a common power pack unit

Abstract

The system includes a modular drum unit disposed in a first skid. The modular drum unit may include a drum and a winch. The system also includes a power pack assembly disposed in a second skid. The power pack unit may comprise a power source. The system also includes a cable assembly for electrically coupling the modular drum unit to the power pack unit. The cable assembly includes a power connector with a connector type incorporating design constraints from both the modular drum unit and the power pack unit.

What is claimed is: 
     
         1 . An system for formation testing at a well site, comprising:
 a modular drum unit disposed a first skid, wherein the modular drum unit includes a drum and a winch;   a power pack unit disposed in a second skid, wherein the power pack unit comprises a power source; and   a cable assembly to electrically couple the modular drum unit to the power pack unit, wherein the cable assembly includes a power connector incorporating design constraints from both the modular drum unit and the power pack unit.   
     
     
         2 . The system of  claim 1 , further comprising a control unit electrically coupled to the modular drum unit via a control cable assembly, wherein the control cable assembly includes a control connector incorporating design constraints from both the modular drum unit and the control unit. 
     
     
         3 . The system of  claim 2 , wherein the control unit is disposed in a third skid. 
     
     
         4 . The system of  claim 3 , wherein the control unit includes a winch control interface and a computing system. 
     
     
         5 . The system of  claim 4 , wherein the computing system receives measurements from logging tools deployed in a borehole. 
     
     
         6 . The system of  claim 1 , wherein the modular drum unit further includes a winch control interface and a computing system. 
     
     
         7 . The system of  claim 1 , wherein the power source is a diesel engine. 
     
     
         8 . The system of  claim 4 , wherein the logging tools are wireline logging tools. 
     
     
         9 . An system for formation testing at a well site, comprising:
 a modular drum unit disposed a first skid, wherein the modular drum unit includes a drum and a hydraulic winch;   a power pack unit disposed in a second skid, wherein the power pack unit comprises a power source and power control circuitry;   a control unit disposed in a third skid, wherein the control unit comprises a winch control interface and a computing system;   a first cable assembly to electrically couple the modular drum unit to the power pack unit; and   a second cable assembly to electrically couple the modular drum unit to the control unit.   
     
     
         10 . The system of  claim 9 , wherein the first cable assembly includes a power connector incorporating design constraints from both the modular drum unit and the power pack unit. 
     
     
         11 . The system of  claim 10 , wherein the second cable assembly includes a control connector incorporating design constraints from both the modular drum unit and the control unit. 
     
     
         12 . The system of  claim 11 , wherein the control unit further comprises an antenna. 
     
     
         13 . The system of  claim 9 , wherein the power source comprises at least one of a battery array, a solar panel, and a diesel engine. 
     
     
         14 . The system of  claim 9 , wherein the drum is wrapped with one of a wireline, a coil tubing, or a slickline. 
     
     
         15 . The system of  claim 14 , wherein the computing system receives measurements from logging tools. 
     
     
         16 . The system of  claim 15 , wherein the measurements are received at the computing system through the second cable assembly. 
     
     
         17 . The system of  claim 16 , wherein the control unit receives power from the power pack unit through the second cable assembly. 
     
     
         18 . A method for formation testing at a rig site, comprising:
 receiving at the rig site a modular drum unit disposed a first skid, wherein the modular drum unit includes a drum and a hydraulic winch;   receiving at the rig site a power pack unit disposed in a second skid, wherein the power pack unit comprises a power source and power control circuitry; and   connecting the power pack unit with the modular drum using at least one cable assembly with a power connector incorporating design constraints from both the modular drum unit and the power pack unit.   
     
     
         19 . The method of  claim 18 , further comprising receiving at the rig site a control unit disposed in a third skid, wherein the control unit comprises a winch control interface and a computing system. 
     
     
         20 . The method of  claim 19 , further comprising connecting the control unit with the modular drum using at least one cable assembly with a connector incorporating design constraints from both the modular drum unit and the power pack unit.