US2008264649A1PendingUtilityA1

Modular well servicing combination unit

28
Individually held — no corporate assignee on recordPriority: Apr 29, 2007Filed: Apr 29, 2007Published: Oct 30, 2008
Est. expiryApr 29, 2027(~0.7 yrs left)· nominal 20-yr term from priority
Inventors:James D. Crawford
E21B 43/168E21B 19/22E21B 43/2607
28
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A single well servicing combination unit comprising: a hydraulic manifold removably connectable to the power-take-off of a power source to drive a plurality of hydraulic pumps and motors that control a plurality of well servicing modules that are removably mounted on said combination unit, said well servicing modules being interconnectable by plumbing.

Claims

exact text as granted — not AI-modified
1 . A single well servicing combination unit comprising:
 a hydraulic manifold removably connectable to the power-take-off of a power source to drive a plurality of hydraulic pumps and motors that control a plurality of well servicing modules that are removably mounted on said combination unit, said well servicing modules being interconnectable by plumbing.   
   
   
       2 . The combination unit according to  claim 1 , wherein said power source comprises a power pack module. 
   
   
       3 . The combination unit according to  claim 2 , wherein said power pack module is removably connected to said well servicing combination unit. 
   
   
       4 . The combination unit according to  claim 2 , wherein said power pack module comprises a truck power pack. 
   
   
       5 . The combination unit according to  claim 2 , wherein said power pack module comprises a marine mobile power pack. 
   
   
       6 . The combination unit according to  claim 2 , wherein each module comprises a skid. 
   
   
       7 . The combination unit according to  claim 1 , wherein said well servicing modules comprise:
 i. an operator control module;   ii. a combination module;   iii. a nitrogen module;   said modules being interconnectable by plumbing.   
   
   
       8 . The combination unit according to  claim 7 , wherein said combination module comprises a coil tubing module and an acid module. 
   
   
       9 . The combination unit according to  claim 8 , wherein said coil tubing module comprises a coiled tubing reel and a coil tubing string. 
   
   
       10 . The combination unit according to  claim 9 , wherein said coiled tubing reel ranges in diameter from about 102 inches to over 122 inches and said coil tubing string ranges in diameter from about 1.25 inches to about 2 inches. 
   
   
       11 . The combination unit according to  claim 7 , wherein said combination module comprises a coil tubing module and a cement module. 
   
   
       12 . The combination unit according to  claim 11 , wherein said coil tubing module comprises a coiled tubing reel and a coil tubing string. 
   
   
       13 . The combination unit according to  claim 12 , wherein said coiled tubing reel ranges in diameter from about 102 inches to over 122 inches and said coil tubing string ranges in diameter from about 1.25 inches to about 2 inches. 
   
   
       14 . The combination unit according to  claim 7 , wherein said combination module comprises a cement module and an acid module. 
   
   
       15 . The combination unit according to  claim 7 , wherein said nitrogen module comprises a tank of cryogenic nitrogen. 
   
   
       16 . The combination unit according to  claim 7 , wherein said nitrogen module comprises a nitrogen generator that gathers nitrogen from the earth's atmosphere and wherein said combination unit further comprises a compressor connectable by plumbing to said nitrogen generator. 
   
   
       17 . The combination unit according to  claim 7 , wherein said nitrogen module comprises a tank of compressed nitrogen gas. 
   
   
       18 . The combination unit according to  claim 7 , wherein said combination module comprises a sand fracturing tool. 
   
   
       19 . The combination unit according to  claim 1 , wherein said well servicing modules comprise: an electric wireline apparatus comprising a tubing encapsulated wire conveyance medium suitable for electric wireline operations. 
   
   
       20 . The combination unit according to  claim 2 , wherein said well servicing modules comprise: a combination module and an electric wireline apparatus comprising a tubing encapsulated wire conveyance medium suitable for electric wireline operations. 
   
   
       21 . The combination unit according to  claim 1 , wherein said well servicing modules comprise: a wireline inspection unit and a coiled tubing unit. 
   
   
       22 . The combination unit according to  claim 4 , wherein said combination unit comprises a crane trailer and said Truck Power Pack comprises a truck capable of towing said crane trailer. 
   
   
       23 . The combination unit according to  claim 4 , wherein said well servicing modules are removably mounted on said crane trailer and comprise an Operator Control Module, a Coiled Tubing Deployment Module, an Injector Head Module, Well Control Stack Blow Out Preventer Module, and a Nitrogen Module. 
   
   
       24 . The combination unit according to  claim 23 , wherein said Nitrogen Module comprises a Self Generating Nitrogen Module. 
   
   
       25 . The combination unit according to  claim 1 , wherein each of said modules and components is designed to function in conjunction with a plurality of combinations of said well servicing modules. 
   
   
       26 . The combination unit according to  claim 1 , wherein said modules may be custom arranged to allow the combination unit to fit in available space for a particular well servicing job. 
   
   
       27 . The combination unit according to  claim 1 , further comprising a transportation module. 
   
   
       28 . The combination unit according to  claim 27 , wherein said transportation module comprises a marine vessel. 
   
   
       29 . The combination unit according to  claim 28 , further comprising a marine mobile power pack. 
   
   
       30 . The combination unit according to  claim 27 , wherein said transportation module comprises an amphibious vessel. 
   
   
       31 . The combination unit according to  claim 30 , further comprising a marine mobile power pack. 
   
   
       32 . The combination unit according to  claim 27 , wherein said transportation module comprises a trailer. 
   
   
       33 . The combination unit according to  claim 30 , further comprising a truck power pack. 
   
   
       34 . The combination unit according to  claim 27 , wherein said transportation module comprises a skid. 
   
   
       35 . The combination unit according to  claim 1 , wherein said well servicing units comprise: a high pressure pump and a blending tank; said high pressure pump and blending tank being interconnectable by plumbing. 
   
   
       36 . The combination unit according to  claim 35 , further comprising a crane, said blending tank, high pressure pump and crane being interconnectable by plumbing. 
   
   
       37 . The combination unit according to  claim 1 , wherein said well servicing modules comprise:
 i. a wireline inspection module;   ii. a coiled tubing module;   iii. a nitrogen module;   iv. a unit pump module; and   v. a blending tank module.   
   
   
       38 . The combination unit according to  claim 37  further comprising an acid pump module and an acid tank module that is connectable by plumbing to said blending tank module and said coil tubing module, wherein said hydraulic manifold is removably connectable to said power-take-off of said power source to also drive hydraulic pumps and motors that control said acid pump module.
 The combination unit according to  claim 1 , wherein said well servicing modules comprise: a coil tubing module and at least one other well servicing module.   
   
   
       39 . The combination unit according to  claim 1 , wherein said well servicing modules comprise: a wireline inspection module; and at least one other well servicing module. 
   
   
       40 . The combination unit according to  claim 37 , further comprising a combination nitrogen and high pressure pump module that is connectable by plumbing to said blending tank module and said coil tubing module, wherein said hydraulic manifold is removably connectable to the power-take-off of said power source to also drive hydraulic pumps and motors that control said combination nitrogen and high pressure pump module. 
   
   
       41 . The combination unit according to  claim 1 , wherein said well servicing modules comprise: coiled tubing reel module for introducing well treatment fluid into a well; and an injector module that can advance said coiled tubing into a wellbore. 
   
   
       42 . The combination unit according to  claim 1 , wherein said well servicing modules comprise a coiled tubing injector module and a crane module for picking up and lowering the coiled tubing injector of said coil tubing injector module. 
   
   
       43 . The combination unit according to  claim 1 , further comprising an operator's console module whereby said motors and pumps may be controlled by an operator. 
   
   
       44 . The combination unit according to  claim 1 , wherein at least one of said modules is skid mounted. 
   
   
       45 . The combination unit according to  claim 1 , wherein at least one of said modules is skid mounted. 
   
   
       46 . A method of well servicing unit maintenance comprising keeping functional modules in inventory and replacing broken or unsatisfactory modules of a modular well servicing combination unit as desired. 
   
   
       47 . A method of producing a well servicing unit comprising assembling standardized well servicing modules having standardized interfaces and connectors.

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