7

Reliability of well-head equipment

Year:
1971
Language:
english
File:
PDF, 252 KB
english, 1971
11

Survey of foreign designs of gate valves for producing well equipment

Year:
1971
Language:
english
File:
PDF, 498 KB
english, 1971
24

Equipment for operation of flowing wells

Year:
1967
Language:
english
File:
PDF, 473 KB
english, 1967