Title:
Compensating gate ram packer
United States Patent 2760751


Inventors:
Wilde, Arthur E.
Application Number:
US28483152A
Publication Date:
08/28/1956
Filing Date:
04/28/1952
Assignee:
SHAFFER TOOL WORKS
Primary Class:
Other Classes:
277/325
International Classes:
E21B33/06
View Patent Images:
US Patent References:
2642942Drilling equipment and well pipe cleaner1953-06-23
2609836Control head and blow-out preventer1952-09-09
2583497Ribbed-stripper packer unit1952-01-22
2194258Ram with laminated plates1940-03-19
2038140Packing head1936-04-21
1966809Control head1934-07-17
1908221Blow-out preventer1933-05-09
1891570Twin pressure valve1932-12-20
1721806Tubing oil saver1929-07-23
1695992Combined casing-head packer and blow-out preventer1928-12-18