Downhole equipment for petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2001); German version EN ISO 15136-1:2001— 36 стр.
Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2009); English version EN ISO 15136-1:2009— 128 стр.
Petroleum and natural gas industries - Progressing cavity pump systems for artificial lift - Part 1: Pumps (ISO 15136-1:2009); English version EN ISO 15136-1:2009— 128 стр.