China Petroleum Machinery 2000 Issue 5 yong you jing zhen duan he kong zhi xi tong jiang di you gan beng bing cai you xi tong cheng ben

yong you jing zhen duan he kong zhi xi tong jiang di you gan beng bing cai you xi tong cheng ben

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xin xing shen shui jing kou zhuang zhi

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cai you xi tong fu shi tan ce qi

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di si dai shuang zhong xin zuan tou

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wo guo ji xie gong ye zai xin xing shi xia de ji shu yin jin

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f35-70 ye ya fang pen qi zu tong guo ji shu ping ding

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oec-3 xing wei dian nao cai you kong zhi lv jie neng xiao guo ming xian

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zj40db zuan ji tong guo chu chang yan shou

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ci chu li ke da fu du ti gao gang si sheng shou ming
feng yao zhong ; li guang ; han zuo

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national-oilwell gong si ding qu yan zhi jin kuang
chun gang

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re cai chen sha beng
ding hong xia ; wu shu kai

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guo wai shi you zuan ji jiao che xin yi dai ji suan ji kong duo pan sha che
zhang lian shan

..............page:59-60

Advances in development and application of plate-fin heat exchangers
Ling Xiang;Tu Shandong;Lu Weiquan

..............page:54-58

Development of variable gauge stabilizer in wellbore trajectory control system
Liu Yinghui;Su Yinao;Liu Xuhui

..............page:52-53,58

Selection of O-ring and calculation of O-ring groove size
Chen Aiping;Zhou Zhongya

..............page:49-51

Theoretical analysis and improvement of seven-plunger mud pump
Ju Yuxiu;Chen Jiaqing;Xu Min

..............page:46-48

Influence of perforation on casing strength
Wang Hanxing;Yan Tingjie;Li Zenglian

..............page:42-45

Technical reform of tubular heater
Dou Shishan;Li Linjiang

..............page:39-41

Improvement of flow channel of Model 81/2H517 bit
Sun Hong zhen;Shao Zengyuan

..............page:36-38

Development and test of tubing length intelligent measurer
wu wen xiu ; liu li ; li wen xing ; li su mei

..............page:34-35,41

Hydraulic retrievable bridge plugging device for water shut off
dan jing ; wang zhi qing ; lei yu tian ; wang xue hong ; wu xiao ping

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

Anti-sand rod pump with helically-grooved barrel
zhou ji de ; zhang shu min ; tian jin peng ; feng hai ; zhang yan ; cong xuan ming

..............page:29-30

A chainbelt pumping unit
Wang Shanzheng

..............page:26-28

Measurement of vertical concetricity between crosshead and piston of compressors
Zheng Xianglong;Jin Ming

..............page:22-25

Application of corrosion inhibitiors on petroleum machinery
Dong Jiamei;Sun Xuxin

..............page:18-21

Dynamic hydrocyclone and its test bed
li feng ; zhao li xin ; wang zun ce ; jiang ming hu ; zhang dong xu ; chen dong hui

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Bending resistance tst of electric submersible pump assembly in deviated holes
Zhu Shangzheng;Xi Wenhou;Li Lingfang

..............page:12-14

Dynamic analysis and parameters selection of electrochemical cutting of production pipe in horizontal hole
Wang Yihong;Yun Naizhang;Xu Jiawen

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Nen equations for estimating life of main bearings on rotary table and swivel
Liu Yangsong

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Selection of type of working clips for disc brakes
Liu Xiaolin

..............page:5-6

Analysis of parameters for swerving trajectory of drill pipe in horizontal holes
yi song lin ; zhang lai bin ; li xue hui ; zhou li ren ; chen bing heng ; xu shou fan

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