US2008202742A1PendingUtilityA1

Open Cavity in a Pocket of a Downhole Tool String Component

39
Individually held — no corporate assignee on recordPriority: Feb 27, 2007Filed: Feb 27, 2007Published: Aug 28, 2008
Est. expiryFeb 27, 2027(~0.6 yrs left)· nominal 20-yr term from priority
Inventors:David R. HallScott DahlgrenPaula Turner
E21B 47/017E21B 47/12
39
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A downhole tool string component, having a tubular body with an inner and outer diameter. A pocket is formed in the outer diameter and is adapted to receive downhole instrumentation. A covering is attached to the outer diameter of the component and is adapted to seal the pocket from outside debris, the pocket having a bottom floor and a plurality of side walls. An open cavity is formed in at least one of the side walls.

Claims

exact text as granted — not AI-modified
1 . A downhole tool string component, comprising:
 a tubular body with an inner and outer diameter;   a pocket formed in the outer diameter being adapted to receive downhole instrumentation;   a covering attached to the outer diameter of the component and adapted to seal the pocket from outside debris, the pocket comprising a bottom floor and a plurality of side walls; and   an open cavity formed in at least one of the side walls, the open cavity comprising a back end.   
     
     
         2 . The component of  claim 1 , wherein a plurality of open cavities are formed in at least one of the side walls. 
     
     
         3 . The component of  claim 1 , wherein an open cavity is formed in a plurality of the side walls. 
     
     
         4 . The component of  claim 1 , wherein a plurality of pockets are formed in the outer diameter and are adapted to receive downhole instrumentation. 
     
     
         5 . The component of  claim 4 , wherein the covering is adapted to seal the plurality of pockets from outside debris. 
     
     
         6 . The component of  claim 1 , wherein the covering is a sleeve disposed around the outer diameter of the tubular body. 
     
     
         7 . The component of  claim 1 , wherein the covering is a plate fastened to the outer diameter of the tubular body. 
     
     
         8 . The component of  claim 1 , wherein the covering comprises a plurality of grooves adapted to stretch and/or flex with the tubular body. 
     
     
         9 . The component of  claim 1 , wherein the cavity comprises a step with a rounded geometry. 
     
     
         10 . The component of  claim 1 , wherein the cavity comprises rounded borders. 
     
     
         11 . The component of  claim 1 , wherein the cavity is generally concave. 
     
     
         12 . The component of  claim 1 , wherein the cavity comprises a convex portion. 
     
     
         13 . The component of  claim 1 , wherein a portion of the downhole instrumentation is disposed within the cavity. 
     
     
         14 . The component of  claim 1 , wherein a portion of an electrically conductive conduit in electrical communication with the downhole instrumentation is disposed within the cavity. 
     
     
         15 . The component of  claim 1 , wherein the open cavity comprises a characteristic of increasing the flexibility of the downhole component. 
     
     
         16 . The component of  claim 1 , wherein the downhole instrumentation is part of a closed-loop system. 
     
     
         17 . The component of  claim 1 , wherein the side walls are sloped. 
     
     
         18 . The component of  claim 1 , wherein a ratio of a depth of the cavity to a depth of the pocket ranges between 0.2 to 1, and 1.5 to 1. 
     
     
         19 . The component of  claim 1 , wherein the open cavity is filled with a filler material. 
     
     
         20 . The component of  claim 1 , wherein the pocket is annular and encompasses the entire outer diameter of the component.

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