China Petroleum Machinery 1999 Issue 3 san dian shi dong li da qian

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China Petroleum Machinery
1001-4578
1999 Issue 3

san dian shi dong li da qian

..............page:56

shui ping luo jing yong ding ya feng ge qi

..............page:56

xin xing ye ya qu dong shi you zuan ji

..............page:56

shuang zha men fa men xi tong huo guo jia zhuan li

..............page:55

feng ge qi gu ding xi tong

..............page:55

pei bei ce liang yi qi de zuan tou

..............page:55

lian xu you guan bian xie shi jian ce xi tong

..............page:55

jian xiao jing xia mo ca de fang fa

..............page:55

5tc kong zhong man you zhe jue yuan dou bi zuo ye che wen shi

..............page:55

Status and development og oil well servicing eqripment
Peng Jinshen

..............page:53-54

Advance in study of twin-screw type multiphase pump
Cao Feng;Shu Pengcheng;Xing Ziwen

..............page:49-52

Heat and pressure resistance of compressional packer rubbers
Chen Aiping

..............page:45-48

Distribution pattern of axial velocity of hydrocyclone -- study of liquid-liquid hydrocyclone's velocity field (Part Ⅲ)
jiang ming hu ; wang zun ce ; li feng ; zhao li xin ; he jie

..............page:17-19

Computer simulation of dynamic behavioral characteristics of cones carried on a tricone cone bit
Zhao Shulan;Ma Dekun

..............page:13-16

Optimization of petroleum machinery based on genetic algorithms
Li Hanxing;He Maihong;Sui Manchang

..............page:10-12

Fuzzy optimal design of two-stage cylindrical gear reducers
Liu Tiehu

..............page:7-9

Investigation in energy saving of beam pumping units with springs
yang xiao xiang ; fan jia qi ; gao sheng bin ; liu dian bo

..............page:3-6

Design and simulation of safety monitoring system for bit automatic feed
Shi Yusheng

..............page:1-2

Energy saving of electric motor on beam pumping units
bai lian ping ; ma wen zhong ; yang yan ; liu meng ; cheng qi hua ; bao bao zhong

..............page:41-44

New labyrinth high pressure differential steam flow control valve
Yao Jianshe;Wang Wenran;Qi Dunsu

..............page:38-40

New chain pumping unit using MON type main drive system
yu qi ; song sheng wei ; yu hong wei ; zhang guo jun ; wang hong ying

..............page:36-37

Development and application of Model ND-S114 casing internal cutter
dong he jian ; lv zong gao ; gong wei min ; lin lei

..............page:34-35

Test and application of Model TFS-140-Ⅳ external casing packer
Liu Yumin;Han Haisheng

..............page:31-33

Modal testing and analysis of Model ZJ15 rig substructure
chang yu lian ; zou long qing ; yang chao ; jia guang zheng ; gao sheng ; liao hou yi ; sun yu long

..............page:28-30

Reconditioning of cracks in heavy oil catalyst regeneration unit
Zhang Yong;Meng Jian

..............page:25-27

Failure analysis and precautions for φ95mm subsurface sucker rod pump
Huang Richeng

..............page:22-24

Suggestions on improvement of swing horsehead beam pumping unit
guo deng ming ; ai zuo ; guo jian jun ; chen xiao feng ; shi xiao ming ; gu zhi feng ; lu qing jun

..............page:20-21