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CPC
E21B7/132

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B7/00Special methods or apparatus for drilling

Current Industry

E21B7/132from underwater buoyant support

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Patents Grantslast 30 patents

Information Patent Grant
System and method for subsea well operation
- Patent number 11,499,379
- Issue date Nov 15, 2022
- RIGTEC WELLSERVICE AS
- Morten Eriksen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Offshore well drilling system with nested drilling risers
- Patent number 10,329,852
- Issue date Jun 25, 2019
- Cameron International Corporation
- William Puccio
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for drilling multiple subsea wells from an off...
- Patent number 9,988,848
- Issue date Jun 5, 2018
- Single Buoy Moorings, Inc.
- Travis Randall Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for drilling multiple subsea wells from an off...
- Patent number 9,677,368
- Issue date Jun 13, 2017
- Seahorse Equipment Corp
- Travis Randall Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for drilling multiple subsea wells from an off...
- Patent number 9,458,671
- Issue date Oct 4, 2016
- Seahorse Equipment Corp
- Travis Randall Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seabed analysis
- Patent number 6,526,818
- Issue date Mar 4, 2003
- XL Technology Limited
- Philip Head
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underwater installation and method for building of an underwater in...
- Patent number 6,196,322
- Issue date Mar 6, 2001
- Terje Magnussen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Floating/tensioned production system with caisson
- Patent number 4,913,238
- Issue date Apr 3, 1990
- Exxon Production Research Company
- Mark A. Danazcko
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Deep draft drilling platform
- Patent number 4,502,551
- Issue date Mar 5, 1985
- Kenneth C. Rule
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Apparatus for multiple wells through a single caisson
- Patent number 4,068,729
- Issue date Jan 17, 1978
- Standard Oil Company (Indiana)
- Robert M. Peevey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Submarine well drilling and geological exploration station
- Patent number 4,054,104
- Issue date Oct 18, 1977
- Frederick R. Haselton
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
3902553
- Patent number 3,902,553
- Issue date Sep 2, 1975
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
3709307
- Patent number 3,709,307
- Issue date Jan 9, 1973
- E21 - EARTH DRILLING MINING
Information Patent Grant
3602320
- Patent number 3,602,320
- Issue date Aug 31, 1971
- E21 - EARTH DRILLING MINING
Information Patent Grant
3101798
- Patent number 3,101,798
- Issue date Aug 27, 1963
- E21 - EARTH DRILLING MINING
Information Patent Grant
3080583
- Patent number 3,080,583
- Issue date Mar 12, 1963
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
3063507
- Patent number 3,063,507
- Issue date Nov 13, 1962
- E21 - EARTH DRILLING MINING
Information Patent Grant
2798378
- Patent number 2,798,378
- Issue date Jul 9, 1957
- E21 - EARTH DRILLING MINING
Information Patent Grant
2777669
- Patent number 2,777,669
- Issue date Jan 15, 1957
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
2187871
- Patent number 2,187,871
- Issue date Jan 23, 1940
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR SUBSEA WELL OPERATION
- Publication number 20220154537
- Publication date May 19, 2022
- RIGTEC WELLSERVICE AS
- Morten ERIKSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Drilling Multiple Subsea Wells From an Off...
- Publication number 20170298694
- Publication date Oct 19, 2017
- Seahorse Equipment Corp.
- Travis Randall Jordan
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Method and Apparatus for Drilling Multiple Subsea Wells From an Off...
- Publication number 20160145943
- Publication date May 26, 2016
- Seahorse Equipment Corp.
- Travis Randall Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
Offshore Well Drilling System With Nested Drilling Risers
- Publication number 20160024861
- Publication date Jan 28, 2016
- Cameron International Corporation
- William Puccio
- E21 - EARTH DRILLING MINING
Information Patent Application
Offshore Well Drilling System With Nested Drilling Risers
- Publication number 20130153240
- Publication date Jun 20, 2013
- Cameron International Corporation
- William Puccio
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Drilling Multiple Subsea Wells From an Off...
- Publication number 20130098627
- Publication date Apr 25, 2013
- SEAHOURSE EQUIPMENT CORP
- Travis Randall Jordan
- E21 - EARTH DRILLING MINING
Information Patent Application
MOBILE OFFSHORE DRILLING UNIT
- Publication number 20130075102
- Publication date Mar 28, 2013
- Bui V. Dao
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

from underwater buoyant support

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for subsea well operation

Offshore well drilling system with nested drilling risers

Method and apparatus for drilling multiple subsea wells from an off...

Method and apparatus for drilling multiple subsea wells from an off...

Method and apparatus for drilling multiple subsea wells from an off...

Seabed analysis

Underwater installation and method for building of an underwater in...

Floating/tensioned production system with caisson

Deep draft drilling platform

Apparatus for multiple wells through a single caisson

Submarine well drilling and geological exploration station

3902553

3709307

3602320

3101798

3080583

3063507

2798378

2777669

2187871

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR SUBSEA WELL OPERATION

Method and Apparatus for Drilling Multiple Subsea Wells From an Off...

Method and Apparatus for Drilling Multiple Subsea Wells From an Off...

Offshore Well Drilling System With Nested Drilling Risers

Offshore Well Drilling System With Nested Drilling Risers

Method and Apparatus for Drilling Multiple Subsea Wells From an Off...

MOBILE OFFSHORE DRILLING UNIT