3. Coiled-tubing technology.

Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)

Subject: Oil wells--Maintenance and repair.,Tubes.

Classification :
TN
871
.
C57
1994

7. Introduction to oilwell service and workover

Library: Central Library of Ahvaz Faculty of Petroleum (Khuzestan)

Subject: Oil wells- Maintenance and repair- Programmed instruction

Classification :
TN
,
871
,.
I58
,
1978

9. Oilwell fishing operations :

Author:

Library: Center and Library of Islamic Studies in European Languages (Qom)

Subject: Oil wells-- Maintenance and repair

10. Well cleanout and repair methods

Library: Central Library of Ahvaz Faculty of Petroleum (Khuzestan)

Subject: Oil wells - Maintenance and repair,Oil well Casing - repairing,Oil well cementing,Drilling muds

Classification :
TN
,
871
.
2
,.
W44
,
1976

11. Well completion and servicing

Author:

Library: Central Library, Center of Documentation and Supply of Scientific Resources (East Azarbaijan)

Subject: Oil well drilling,Oil wells- Maintenance and repair

Classification :
TN871
.
2
.
P47313
1999