Open Cavity in a Pocket of a Downhole Tool String Component
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.
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.