Drilling and production apparatus and method
United States Patent 3236301
US Patent References:
Well completion and well packer apparatus and methods of selectively manipulating a plurality of well packers
- - 2903066
Drilling
- - 2923531
Multiple string well packers
- - 2950761
Underwater inspection apparatus
- - 2981347
Multiple valve and connection
- - 2990851
Well completion and well packer apparatus and methods of selectively manipulating a plurality of well packers
- - 2903066
Drilling
- - 2923531
Multiple string well packers
- - 2950761
Underwater inspection apparatus
- - 2981347
Multiple valve and connection
- - 2990851
Inventors:
Johnstone, Robert D.
Wakefield Jr., Charles E.
Wakefield Jr., Charles E.
Publication Date:
02/22/1966
View Patent Images:
Export Citation:
Assignee:
RICHFIELD OIL CORP
Primary Class:
Other Classes:
166/97.100, 166/363, 166/359, 166/358, 166/352
International Classes:
E21B7/12; E21B33/035; E21B33/03
US Patent References:
| 3021909 | Means for offshore drilling | |||
| 3032106 | Handling of well equipment | |||
| 3032125 | Offshore apparatus | |||
| 3052299 | Underwater wellhead with remotelydetachable flow line | |||
| 3064735 | Wellhead assembly lock-down apparatus | |||
| 3071188 | Remotely controlled latch for well tools | |||
| 3086590 | Apparatus for drilling and completion of inaccessible wells | |||
| 3090437 | Underwater wellhead flow line connector | |||
| 3142337 | Hydraulic system for underwater wellheads | |||
| 3145775 | Method and apparatus for conducting offshore drilling operations |