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1 UNCONVENTONALOIL&GAS Vol.4No.5 Oct.2017 P RS L T <,=>,_. ( $% &', / 1021) : 2 ( B B 9? M E, + 2 K 4 B.D# TU 9?@Z! B 7 A B,- FM, -)*, A 4 B b 5:9 F b B B P, B CD 10%, E 49%, m Z!, + 10%, B $( - B, ] R B, 2 4 B,-45 +, F 2 B ( GH F!: 2 ; B E; B;B.D#; B; B ' :A "#$%&:TE243 犚犲狊犲犪狉犮犺狅狀犚犪狆犻犱犪狀犱犈犳犻犮犻犲狀狋犇狉犻犾犻狀犵犜犲犮犺狀狅犾狅犵狔犪狋犎犻犵犺犇犲狏犻犪狋犲犱犠犲犾狊狅犳犛犺犪犾犲犌犪狊犻狀犠犲狊狋犎狌狀犪狀 DongZhenguo,WuDeshan,YuPeng ( 犛犺犲狀犺狌犪犌犲狅犾狅犵犻犮犪犾犈狓狆犾狅狉犪狋犻狅狀犔狋犱., 犛犺犲狀犺狌犪犌狉狅狌狆, 犅犲犻犼犻狀犵 1021, 犆犺犻狀犪 ) 犃犫狊狋狉犪犮狋 :Tocopewiththechalengesofthesurface&downholeinshalegaswels,Baojingblock,suchascomplex geologycondition,morefaults,slowrateofpenetration,longdrilingperiod&highdrilingcost,thekeytechnolo gieswereaplied&studied,includingrockdrilabilitycalculation,casingprogramdesign,drilingbitypeoptimi zation,maturerotarysteringsystem,oilbasedmudsystem&cementingtechnologyofanti gasmigration.these technologieshavebenapliedsucesfulyinthehighdeviatedwels.comparedwithearlywelsdriled,thedril ingcyclewasreducedby10%,therateofpenetrationwasimproved49%,finished1050.5mreservoirzonedriling byusingrotarysteringdrilingsystemwithsafety&eficiency,reservoirtargethitratiowas10%,withoutany drilingacident&hseisue,productioncasingcementedqualitywasexcelent.itwasmarkedthatmakegreat progresofhighdeviatedwelsdrilingtechnologyinbaojingblock.itwilprovidereferenceforfuturedriling& developingshalegasreservoirinotherblock. 犓犲狔狑狅狉犱狊 :shalegas;drilingchalenge;rapid&eficientdriling;welconfiguration;welcementing;oilbase drilingfluid !34 E ( 7 X $, $ W63 Y7 9, = km 2 ;$ " \37km, 32km;$ 9; ' X #,V % S0, S 0, V A # AD= A ; ',A D ' =260m 3 7 $ X B D 3DL a '(20 ~50 ), V )4X D& ' S, B D' D $,A, &' L A A, H) X >X an A: O; ():!C9 7 $ X 56 # $O78 (SHHGF 14 85)+, *+,-./: (1962 ),01,191 L3 34' ( ), 6, 2 O78NO 9 :;:dzhenguo@aliyun.com.

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3 09 Vol.4No.5 DDN D; 24.5mmO O VU 45, A, N 3D; 139.7mm O ' A D, I X D,9= $N O 2.2 W ) 0 7 $ 3D X N! =,3D 3 ) *, 0 ] `, ] A78 Y ^ +, A N K J: (UCS) ') 310~20MPa;, ~6.601, 3 3 D, D 6$ A* J(K1) X Y % $, ) * 6 3 D 0 A X1 ' KS162APDC ],]$ 14m, ]` ; I * GJ515G,] $ & ' 163m, =2.36m/h,2 ` S@ 1 W $` )XY 犜犪犫犾犲 1 犚狅犮犽犱狉犻犾犪犫犻犾犻狋狔犮犾犪狊犻犳犻犮犪狋犻狅狀牔犫犻狋狉犲犮狅犿犿犲狀犱犪狋犻狅狀 3D /m (μs ft / -1 ) (UCS) 1 3D IADC PDC ' ,5 2 ' ,5 4 ' ,5 4 =' , ,16mm ' ,5 4 5~6 +,16mm ;W' ~ ,5 4 5~6 +,16~17mm ' ~ ~6 +,16~17mm ; ' ~ ,16mm U, S,3 D S, ) * ` 0 7 I5~6 + 16mm APDC 7 X3XF U ; W ' ',,)* = AM63DRTAPDC,]$24.8m, &4.06m/h;7 X 4XF,) * = HM6163A PDC,]$247.72m, &3.53m/h ; ' A D,E X 9 #,)*5 +PDC 16mm A PDC 7X3X * MDI516PDC,] $329m, =4.25m/h;7X4XF * HS5163PDC,] $ 1057m, = 8.92m/h, ST (1) M6 ], = 0 Y A N, MWDJ ^ A 6 ] J, ] J,] V (A N ]. ] 7X3 3D '(28 ), 3D 3D, ( (0.2 ~0.3 )/10m), ], S@A ]` J A. 3 A ( A. 7 # K = 4 S A 27 - # K A A, PDC MWD( GR I) ' 6R # O, A 50mAR,K V3 ~5 A, BD ] NK A. (3) A D, O 6 )40` O K < S O A M ND, O 2, 0 B ^ AH 6 ;, 2 -N ; H 6 ; O, 3 D G ; A 6 ; N

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