US Patent No: 7,958,938
Number of patents in Portfolio can not be more than 2000
System and vessel for supporting offshore fields
Stats
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Jun 14, 2011
Issued date -
Feb 23, 2005
filing date -
11/578,093
serial no -
In Force
status
Importance
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Abstract
A system for supporting multiple-well-site, offshore, hydrocarbon-bearing fields, each well-site has one or more wells. In general, the system first comprises a floating vessel that is relocatable from a first subsea well-site to a second subsea well-site. The system also comprises two separate systems: (1) an operations control system for providing subsea well-site operations such as power and communications; and (2) an intervention system for conducting intervention services to an individual subsea well such as workover services and maintenance services. The operations system may provide control to wells and other subsea equipment at either the first well-site or the second well-site, regardless of the location of the floating vessel. The intervention system may provide workover and/or maintenance to subsea equipment or individual wells at the well-site at which it is located.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 6,059,039 Extendable semi-clustered subsea development system | 10 | 1997 | |
| 6,488,093 Deep water intervention system | 15 | 2001 | |
| 6,494,271 Offshore floating production method | 7 | 2002 | |
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| 6,102,124 Flying lead workover interface system | 20 | 1999 | |
| 6,336,421 Floating spar for supporting production risers | 5 | 1999 | |
| 6,397,948 Shearing arrangement for subsea umbilicals | 8 | 1999 | |
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| 6,182,765 System and method for deploying a plurality of tools into a subterranean well | 21 | 1998 | |
| 6,364,021 Well management system and method of operation | 8 | 2000 | |
| 6,772,840 Methods and apparatus for a subsea tie back | 25 | 2002 | |
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| 5,226,482 Installation and method for the offshore exploitation of small fields | 13 | 1991 | |
| 6,263,971 Multiphase production system suited for great water depths | 9 | 1999 | |
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| 5,025,865 Subsea oil production system | 33 | 1987 | |
| 4,848,475 Sea bed process complex | 43 | 1988 | |
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| 6,640,901 Retrievable module and operating method suitable for a seabed processing system | 23 | 2002 | |
| 2005/0178,556 Subsea hydrocarbon production system | 7 | 2004 | |
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| 5,706,896 Method and apparatus for the remote control and monitoring of production wells | 104 | 1995 | |
| 6,192,988 Production well telemetry system and method | 44 | 1999 | |
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| 4,367,980 Method and apparatus for completing diverless subsea large diameter flowline connections | 9 | 1980 | |
| 4,378,848 Method and apparatus for controlling subsea well template production systems | 42 | 1980 | |
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| 6,640,900 Method and apparatus to monitor, control and log subsea oil and gas wells | 9 | 2002 | |
| 6,913,083 Method and apparatus to monitor, control and log subsea oil and gas wells | 9 | 2003 | |
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| 6,564,872 Control of hydrocarbon wells | 11 | 2001 | |
| 7,137,451 Controlling and/or testing a hydrocarbon production system | 5 | 2003 | |
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| 4,452,312 Modular undersea oil production plant | 17 | 1982 | |
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| 4,624,318 Method and means for storing a marine riser | 13 | 1985 | |
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| 6,725,936 Method for drilling a plurality of offshore underwater wells | 2 | 2002 | |
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| 6,182,763 Subsea module | 5 | 1999 | |
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| 4,730,677 Method and system for maintenance and servicing of subsea wells | 51 | 1986 | |
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| 6,536,528 Extended reach tie-back system | 12 | 2000 | |
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| 2002/0084,056 Aluminium alloy strips with high surface homogeneity and method for making same | 2001 | ||
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| 6,461,083 Method and device for linking surface to the seabed for a submarine pipeline installed at great depth | 9 | 2000 | |
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| 6,763,889 Subsea intervention | 26 | 2001 | |
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| 5,207,534 Method for conducting offshore well operations | 19 | 1992 | |
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| 7,032,658 High power umbilicals for electric flowline immersion heating of produced hydrocarbons | 14 | 2003 | |
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| 4,848,474 Modular subsea station on a monopodial structure | 12 | 1988 | |
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| 4,337,829 Control system for subsea well-heads | 18 | 1980 | |
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| 6,873,267 Methods and apparatus for monitoring and controlling oil and gas production wells from a remote location | 30 | 1999 | |
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| 6,588,985 Apparatus and method for deploying an object or a load on a seabed | 10 | 2000 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 14, 2014 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 14, 2018 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 14, 2022 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |