Cementing plug

Wells – Pistons – fluid driven into well – With downflow past piston

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

166192, E21B 3300

Patent

active

052420183

ABSTRACT:
Cementing plugs for use in the cementing of casing in oil and gas wells. The cementing plugs are well-suited for use with a polycrystalline diamond compact drill bit.

REFERENCES:
patent: 1392105 (1921-09-01), Bergesen, Sr.
patent: 1598771 (1926-09-01), Gerhardt
patent: 1713895 (1929-05-01), Ford
patent: 2392144 (1946-01-01), Hall
patent: 2447966 (1948-08-01), Stephens
patent: 2567475 (1951-09-01), Hall
patent: 3541628 (1970-11-01), Girard
patent: 3616850 (1971-11-01), Scott
patent: 3635288 (1972-01-01), Lebourg
patent: 3842905 (1974-11-01), Morrisett et al.
patent: 4164980 (1979-08-01), Duke
patent: 4175619 (1979-11-01), Davis
patent: 4190111 (1980-02-01), Davis
patent: 4190112 (1980-02-01), Davis
patent: 4345350 (1982-08-01), Burd
patent: 4378838 (1983-04-01), Ogden et al.
patent: 4427065 (1984-01-01), Watson
patent: 4548271 (1985-10-01), Keller
patent: 4711300 (1987-12-01), Wardlaw, III et al.
patent: 4836279 (1989-06-01), Freeman
patent: 4858687 (1989-08-01), Watson et al.
patent: 4896720 (1990-01-01), DeRouen

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Cementing plug does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cementing plug, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cementing plug will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-481439

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.