| |
 |
|
Class Information
Number: 175/7
Name: Boring or penetrating the earth > Boring a submerged formation > Boring from floating support with submerged independent anchored guide base
Description: Subject matter, utilizing a base structure positioned on the underwater floor and completely covered by water when so positioned and a floating structure independent of the base structure, said floating structure and base structure cooperating to support and guide the drilling apparatus during the drilling operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4100754 |
Method and apparatus for installing pipes in off-shore locations |
Jul. 18, 1978 |
| 4099583 |
Gas lift system for marine drilling riser |
Jul. 11, 1978 |
| 4099582 |
Drilling fluid compensation device |
Jul. 11, 1978 |
| 4098333 |
Marine production riser system |
Jul. 4, 1978 |
| 4095649 |
Reentry system for subsea well apparatus |
Jun. 20, 1978 |
| 4091881 |
Artificial lift system for marine drilling riser |
May. 30, 1978 |
| 4086776 |
Lock means for a tension line |
May. 2, 1978 |
| 4086971 |
Riser pipe inserts |
May. 2, 1978 |
| 4085509 |
Apparatus for compensating for the heaving of a floating drilling platform for connection with apparatus for measuring the rate of penetration of pipe run into an offshore well |
Apr. 25, 1978 |
| 4081039 |
Connecting assembly and method |
Mar. 28, 1978 |
| 4078605 |
Riser pipe string |
Mar. 14, 1978 |
| 4075964 |
Ice melting system |
Feb. 28, 1978 |
| 4068487 |
Method and apparatus for conducting subaqueous operations in ice conditions |
Jan. 17, 1978 |
| 4063602 |
Drilling fluid diverter system |
Dec. 20, 1977 |
| 4060140 |
Method and apparatus for preventing debris build-up in underwater oil wells |
Nov. 29, 1977 |
| 4059148 |
Pressure-compensated dual marine riser |
Nov. 22, 1977 |
| 4053022 |
Device for guiding a drilling string during underwater drilling |
Oct. 11, 1977 |
| 4053023 |
Underwater well completion method and apparatus |
Oct. 11, 1977 |
| 4047579 |
Sea drilling jig |
Sep. 13, 1977 |
| 4044473 |
Tilt detector and system |
Aug. 30, 1977 |
| 4040264 |
Controlled buoyancy underwater riser system |
Aug. 9, 1977 |
| 4024718 |
Subsea cable apparatus and method of handling same |
May. 24, 1977 |
| 3999617 |
Self-supported drilling riser |
Dec. 28, 1976 |
| 3996754 |
Mobile marine drilling unit |
Dec. 14, 1976 |
| 3996755 |
Tension leg structure with riser stabilization |
Dec. 14, 1976 |
| 3992889 |
Flotation means for subsea well riser |
Nov. 23, 1976 |
| 3984990 |
Support means for a well riser or the like |
Oct. 12, 1976 |
| 3984991 |
Anchor and method of setting anchor |
Oct. 12, 1976 |
| 3983828 |
Vertically moored platform installation |
Oct. 5, 1976 |
| 3983706 |
Marine structure with hydraulic tensioner |
Oct. 5, 1976 |
| 3982401 |
Marine structure with detachable anchor |
Sep. 28, 1976 |
| 3981357 |
Marine riser |
Sep. 21, 1976 |
| 3976148 |
Method and apparatus for determining onboard a heaving vessel the flow rate of drilling fluid flowing out of a wellhole and into a telescoping marine riser connecting between the wellhouse and |
Aug. 24, 1976 |
| 3974875 |
Underwater well completion method and apparatus |
Aug. 17, 1976 |
| 3973635 |
Method and apparatus for offshore drilling operations |
Aug. 10, 1976 |
| 3971576 |
Underwater well completion method and apparatus |
Jul. 27, 1976 |
| 3968656 |
Marine structure with hydraulic tensioner |
Jul. 13, 1976 |
| 3955411 |
Method for measuring the vertical height and/or density of drilling fluid columns |
May. 11, 1976 |
| 3955621 |
Riser assembly |
May. 11, 1976 |
| 3954137 |
Sub-sea well re-entry guidance apparatus |
May. 4, 1976 |
| 3934658 |
Modular underwater well platform system |
Jan. 27, 1976 |
| 3933108 |
Buoyant riser system |
Jan. 20, 1976 |
|
|
|
