RESEARCH OF THE UNIT FOR PROFILE-CONTROL ANO WATER-SHUTOFF
ZHANG Ping;WANG De-fu;GUI Run-tian;YU Yong-sheng

..............page:40

APPLCATION AND RESEARCH OF THE REVERSING TOOL TO THE PUMPING ROD
Li Xiu-zhu;SONG Zhi-qiang;WANG Shao-peng

..............page:38-39

IMDROVED AND DESIGN OF THE STANDING VALVE FOR QUICK SPEED OIL WELL PUMP
LEI Hou-yong;ZHAO Lei

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

CALCULATION OF THE THREAD'S BIG DIAMETER IN THE TUBING'S END AND SMALL DIAMETER IN THE COUPLING'S END
SHI Xing-jun

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

ANALYSIS REASONS TO THE HEAT FROM GUIDE PLATE IN THE TRIPLEX SINGLE ACTING PISTON MUD PUMP
QIU Zhen-li

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

SAFETY MONITORING CONTROL DURING BIT AUTOMATIC FEEDING ON NEURAL NETWORK
SHI Yu-sheng

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

THE ASSESSMENT METHOD OF REMAINING STRENGTH OF CRACKED PIPE AND ITS APPLICATION
zhao xin wei ; lu min xu ; bai zhen quan ; li ping quan ; zhou fang qin ; luo wen hua ; liu hai feng ; wang jing

..............page:24-27

CORRELATION ANALYSIS OF SERVICEABILITY FOR THE AIR COOLED AND WATER COOLED ELETROMAGNETISM EDDY BRAKE AND WATER BRAKE
WANG Yun-shan;JIAO Wen-kai

..............page:21-23

PRINCIPLE AND INSTRUMENT OF ON-LINE QUANTITATIVE INSPECTION FOR CRACKS ON SUCKER RODS
JIN Jian-hua;KANG Yi-hua;WANG Jun-feng;YANG Shu-zi

..............page:17-20

ANALYSIS OF RADIAL FORMING FORCE OF STEEL LINER OF CASING PATCH
ZHU Xiao-ping

..............page:14-16

THE STUDY OF APPLYING LASER SURFACE PROCESSING TECHNO-LOGY IN DRILLING PUMP'S CYLINDER
TU De-luan;WANG Yan-hua;CAI Jing-lun

..............page:10-13

SEVERE DOWNHOLE VIBRATION OF DRILLSTRING AND ITS CONTROL
ZHANG Yang-lie;XIAO Zai-yang

..............page:6-9

INTRODUCTION TO THE CURRENT STUDY ON THE GAS SUCTION-SWIRLING COAGULATION SYSTEM
NI Ling-ying

..............page:3-5

DEVELOPMENT AND APPLICATION OF DEVICE FOR PRODUCTION OIL WELL CHEMISTRY AGENT INJEC-TING
LIU Yang;DI Lian-cheng

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