Granted Patent
Utility
US 6,708,763
· Confirmation No. 8765
METHOD AND APPARATUS FOR INJECTING STEAM INTO A GEOLOGICAL FORMATION
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-02-02 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-03-13 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-03-13 | SPEC |
Specification | 13 | View | |
| 2002-03-13 | CLM |
Claims | 5 | View | |
| 2002-03-13 | ABST |
Abstract | 1 | View | |
| 2002-03-13 | DRW |
Drawings-only black and white line drawings | 8 | View | |
| 2002-03-13 | OATH |
Oath or Declaration filed | 4 | View |
Inventors
William F. Howard
West Columbia, TX
Jackie C. Sims
Houston, TX
Dudley L. Robinson
Houston, TX
Ronald W. Schmidt
Richmond, TX
Attorneys & Agents of Record
Classification
USPC
166/303
E21B41/0078
E21B43/24
Prosecution
- Examiner
- BOMAR, THOMAS S
- Art Unit
- 3672
- Customer No.
- 36735
- Docket No.
- WEAT/0196
- Confirmation No.
- 8765
Publication
- Pub. No.
- US20030173086A1
- Pub. Date
- 2003-09-18
Patent Term Adjustment
-2days
PATENT SECURITY INTEREST ASSIGNMENT AGREEMENT
Recorded 2023-04-26
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD U.K. LIMITED
RELEASE OF SECURITY INTEREST
Recorded 2021-10-01
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2021-10-01
RELEASE OF SECURITY INTEREST
Recorded 2020-08-28
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES ULC,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2020-08-28
SECURITY INTEREST
Recorded 2020-07-10
PATENT SECURITY AGREEMENT (SUPPLEMENT NO. 1)
Recorded 2020-06-23
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-12-04
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-06-17
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Quick Facts
- Patent No.
- US 6,708,763
- App. No.
- 10/097,448
- Filed
- 2002-03-13
- Granted
- 2004-03-23
- Pub. No.
- US20030173086A1
- Examiner
- BOMAR, THOMAS S
- Art Unit
- 3672
- PTA
- -2 days
External Links