Claims
- 1. A tool guide for creating deviated borehole branches from a wellbore, comprising:an orienting section comprising: least one latch biased radially outwardly from the orienting section and positioned in a known orientation relative to a sloping face portion of the toolguide; an outer housing and toolguide orienting assembly including a plurality of dogs biased radially outwardly at a force which varies depending on the fluid pressure conditions in which the toolguide is operated.
- 2. The tool guide of claim 1, further comprising:an upper section including the sloping face portion; and the upper section functionally attached to the orienting section.
- 3. The tool guide of claim 1, further comprising a hydrostatic piston, the hydrostatic piston determining the force at which the dogs are biased radially outwardly.
- 4. The tool guide of claim 1, wherein the dogs are aligned around a circumference of the tool.
- 5. The tool guide of claim 1, wherein the lower edges of the plurality of dogs are chamfered.
- 6. The tool guide of claim 1, wherein the orienting section includes a central bore therethrough.
Priority Claims (2)
Number |
Date |
Country |
Kind |
2236047 |
Apr 1998 |
CA |
|
2245342 |
Aug 1998 |
CA |
|
Parent Case Info
This application is a continuation of U.S. application Ser. No. 09/305,775 filed on Apr. 16, 1999, now U.S. Pat. No. 6,283,208, which is a continuation-in-part of U.S. application Ser. No. 08/923,945 filed on Sep. 5, 1997, now U.S. Pat. No. 6,012,516. The '775 Application also claims the benefit of Canadian Patent Application No. 2,236,047, filed on Apr. 27, 1998, and Canadian Patent Application No. 2,245,342, filed on Aug. 18, 1998.
US Referenced Citations (15)
Continuations (1)
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Number |
Date |
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Parent |
09/305775 |
Apr 1999 |
US |
Child |
09/882547 |
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US |
Continuation in Parts (1)
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Number |
Date |
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Parent |
08/923945 |
Sep 1997 |
US |
Child |
09/305775 |
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US |