Aligning inductive couplers in a well
AssigneeSchlumberger Technology Corporation
InventorsDinesh Patel, Donald W. Ross, Anthony Frank Veneruso, Fabien Cens, John R. Lovell, Ian Stuart Mackay
Life of this patent
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Abstract
An apparatus that is usable with a well includes a first equipment section that includes a first inductive coupler and a second equipment section that includes a second inductive coupler. The second equipment section is adapted to be run downhole into the well after the first equipment section is run downhole into the well to engage the first equipment section. A mechanism of the apparatus indicates when the first inductive coupler is substantially aligned with the second inductive coupler.
Claims20
An apparatus usable with a well, comprising:
- a first completion equipment section comprising a first inductive coupler;
- a second completion equipment section comprising a second inductive coupler and being adapted to be run downhole into the well after the first completion equipment section is run downhole into the well to engage the first completion equipment section;
- and
- a mechanism to indicate when the first inductive coupler is substantially aligned with the second inductive coupler, wherein the mechanism comprises a snap latch or a no go shoulder, and wherein in addition to indicating the substantial alignment of the first and second inductive coupler sections, the mechanism further limits relative movement between the first and second completion equipment sections,
- wherein one of the first and second completion equipment sections comprises:
- a telescoping joint to prevent relative movement between the first and second completion equipment sections comprising first and second inductive couplers after the second completion equipment section engages the first completion equipment section.
An apparatus usable with a well, comprising:
- a first completion equipment section comprising a first inductive coupler;
- a second completion equipment section comprising a second inductive coupler and being adapted to be run downhole into the well after the first completion equipment section is run downhole into the well to engage the first completion equipment section;
- and
- a mechanism to indicate when the first inductive coupler is substantially aligned with the second inductive coupler, wherein the mechanism comprises a snap latch or a no go shoulder, and wherein in addition to indicating the substantial alignment of the first and second inductive coupler sections, the mechanism further limits relative movement between the first and second completion equipment sections,
- wherein the mechanism is adapted to provide a mechanical feedback at the surface of the well indicating whether the first and second inductive couplers are substantially aligned, and
- wherein the first completion equipment section comprises a device to provide other mechanical feedback at the surface of the well when the device engages a feature of the well, the apparatus further comprising:
- a contraction joint to allow an operator at the surface of the well to discriminate between the mechanical feedback provided by the mechanism and the other mechanical feedback.
A method usable with a well, comprising:
- after a first completion equipment section is installed in the well, running a second completion equipment section downhole to engage the first completion equipment section;
- and
- providing a mechanism comprising a snap latch or a no go shoulder, wherein the mechanism limits relative movement between the first and second completion equipment sections, and wherein the mechanism provides feedback indicative of whether a first inductive coupler of the first completion equipment is substantially aligned with a second inductive coupler of the second completion equipment section;
- and
- providing a telescoping joint to limit relative movement between the first and second inductive couplers after the second completion equipment section engages the first completion equipment section.
A method usable with a well, comprising:
- after a first completion equipment section is installed in the well, running a second completion equipment section downhole to engage the first completion equipment section;
- and
- providing a mechanism comprising a snap latch or a no go shoulder, wherein the mechanism limits relative movement between the first and second completion equipment sections, and wherein the mechanism provides feedback indicative of whether a first inductive coupler of the first completion equipment is substantially aligned with a second inductive coupler of the second completion equipment section,
- wherein the act of providing the feedback comprises providing an indication of an impedance of one of the first and second inductive couplers.
Dependencies are inferred from the claim text.