Coiled tubing wireline retrievable and selective set gas lift assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 27, 1995
Grant Date -
N/A
app pub date -
Aug 26, 1993
filing date -
Aug 26, 1993
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A gas lift assembly and gas lift valve positioned in coiled tubing in which the coiled tubing housing and gas lift valve are flexible for allowing the coiled tubing to be spooled. The gas lift valve is wireline retrievable for allowing gas lift valves to be removed for allowing other tools to pass through the coiled tubing. The gas lift valves are selective in that they will seat a selected coiled tubing housing as each valve will match a mating coiled tubing housing.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CAMCO INTERNATIONAL INC | 7030 ARDMORE HOUSTON TX 77054 |
International Classification(s)

- 1993 Application Filing Year
- F04F Class
- 28 Applications Filed
- 11 Patents Issued To-Date
- 39.29 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Pringle, Ronald E | Houston, TX | 123 | 3739 |
# of filed Patents : 123 Total Citations : 3739 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 6 Citation Count
- F04F Class
- 3.70 % this patent is cited more than
- 30 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Matter Detail

Renewals Detail
