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Class Information
Number: 166/386
Name: Wells > Processes > Placing or shifting well part > Fluid flow control member (e.g., plug or valve)
Description: Process wherein the element comprises a device for regulating or obstructing fluid flow in the central conduit or tubing of the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7455116 |
Injection valve and method |
Nov. 25, 2008 |
| 7451825 |
Annular choke |
Nov. 18, 2008 |
| 7451828 |
Downhole pressure containment system |
Nov. 18, 2008 |
| 7441607 |
Circulation tool |
Oct. 28, 2008 |
| 7438135 |
Method of suspending, completing and working over a well |
Oct. 21, 2008 |
| 7438130 |
Downhole actuating apparatus and method |
Oct. 21, 2008 |
| 7438131 |
Expandable injector pipe |
Oct. 21, 2008 |
| 7431091 |
Method and apparatus for wellbore fluid treatment |
Oct. 7, 2008 |
| 7428928 |
Sealing spring mechanism for a subterranean well |
Sep. 30, 2008 |
| 7430153 |
Downhole tool and method |
Sep. 30, 2008 |
| 7416029 |
Downhole tool |
Aug. 26, 2008 |
| 7413022 |
Expandable flow control device |
Aug. 19, 2008 |
| 7408837 |
Measurement while drilling tool and method |
Aug. 5, 2008 |
| 7404446 |
Well tool protection system and method |
Jul. 29, 2008 |
| 7392849 |
Balance line safety valve with tubing pressure assist |
Jul. 1, 2008 |
| 7389819 |
Well screen |
Jun. 24, 2008 |
| 7377321 |
Testing, treating, or producing a multi-zone well |
May. 27, 2008 |
| 7377327 |
Variable choke valve |
May. 27, 2008 |
| 7370705 |
Multiple zone downhole intelligent flow control valve system and method for controlling commingling of flows from multiple zones |
May. 13, 2008 |
| 7370709 |
Subterranean magnetic field protective shield |
May. 13, 2008 |
| RE40308 |
Multi-purpose injection and production well system |
May. 13, 2008 |
| 7367393 |
Pressure monitoring of control lines for tool position feedback |
May. 6, 2008 |
| 7367405 |
Electric pressure actuating tool and method |
May. 6, 2008 |
| 7363981 |
Seal stack for sliding sleeve |
Apr. 29, 2008 |
| 7363980 |
Downhole flow control apparatus, operable via surface applied pressure |
Apr. 29, 2008 |
| 7360600 |
Subsurface safety valves and methods of use |
Apr. 22, 2008 |
| 7350578 |
Diverter plugs for use in well bores and associated methods of use |
Apr. 1, 2008 |
| 7350590 |
Instrumentation for a downhole deployment valve |
Apr. 1, 2008 |
| 7347274 |
Annular barrier tool |
Mar. 25, 2008 |
| 7347275 |
Apparatus and method to detect actuation of a flow control device |
Mar. 25, 2008 |
| 7337850 |
System and method for controlling actuation of tools in a wellbore |
Mar. 4, 2008 |
| 7331398 |
Multi-drop flow control valve system |
Feb. 19, 2008 |
| 7331392 |
Pressure range delimited valve |
Feb. 19, 2008 |
| 7325617 |
Frac system without intervention |
Feb. 5, 2008 |
| 7325616 |
System and method for completing multiple well intervals |
Feb. 5, 2008 |
| 7322417 |
Technique and apparatus for completing multiple zones |
Jan. 29, 2008 |
| 7322412 |
Casing shoes and methods of reverse-circulation cementing of casing |
Jan. 29, 2008 |
| 7318478 |
Downhole ball circulation tool |
Jan. 15, 2008 |
| 7316274 |
One trip perforating, cementing, and sand management apparatus and method |
Jan. 8, 2008 |
| 7314091 |
Cement-through, tubing retrievable safety valve |
Jan. 1, 2008 |
| 7311153 |
Flow-biased sequencing valve |
Dec. 25, 2007 |
| 7303020 |
Interventionless oil tool actuator with floating piston and method of use |
Dec. 4, 2007 |
| 7296633 |
Flow control apparatus for use in a wellbore |
Nov. 20, 2007 |
| 7290617 |
Running a completion assembly without killing a well |
Nov. 6, 2007 |
| 7284619 |
Packer with positionable collar |
Oct. 23, 2007 |
| 7281589 |
Ball dropping tool method and apparatus |
Oct. 16, 2007 |
| 7281584 |
Multi-cycle downhill apparatus |
Oct. 16, 2007 |
| 7278481 |
Method and system for producing an oil and gas mixture through a well |
Oct. 9, 2007 |
| 7270191 |
Flapper opening mechanism |
Sep. 18, 2007 |
| 7264059 |
Method and device for pressure controlled sequential operation |
Sep. 4, 2007 |
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