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煤层气井注入_压降法试井工艺

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煤层 气井 注入 压降法试井 工艺
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H o w r T C P + D D Y D e o m ed te s t te e hn o y w e re su e ee ss fu u se d in ho r iz o n e st ia n g 11 fi a n d se ve ra lw o rk s w e re d a t sa m e e . L im b o n ta n p e r at in g g , a n d se et lo n a d o ta d e~y n it hn y w e re u se d in te G ro u n d m o n r a n d e o n in e=w eÑu b y u s in g D ol o g y . T he se in su re d to p re s u re b u u p te st d a ta m a n pa ra m e te r t, t he ho o n ta l w t u g e o n v e ye dra g , m te n g , fo r m a n s u re de te e n ,ia n a nW el l T es t Me in th e C o a d n e . 1 99 7 , 6 (3 ) : 59 ~ 63o n g xM(La n g fa n g B ra nc h e m E{at ev el o Pm en t ) , LßZ he nq in g (W est in a n y u ab 1 F ic T he e a e te rs th a t t he eo a d 15 e a s b ro k e n a n d e o a lb ed m e n e 15 e a sy to de so r b m ak e w e s td e n in e o a d m e th a n e w e ll v e r y im po r ta n t. T h e r a g e a n d pr ed u e in g m ee ha n is m fo r th e eo a d m e n ea r e d r en t m th e n o rm a l re s er v o re s u lt u g w e l te st m e fo r th e e o a lb e d m e n e w 5d re n t n o rm a lo n e . A ee o r g to w o n d in e o a d , e o n si de r in g co a lb ed p re s su r ea n d pe r m e a w e st m e t ho d w th e fo re ig n ex pe r t s u g g e s te d we r e o v e rv d he So m e pr o sd u g e o n s n o f te st w e r e m e n n e d in pa p S u t h e a d in g : eo a lrm e d g a s , w e g , m a n p re ss u an a a lm e e e eh n o lo gy o f In je e n / Pr e s u ra w do w n Me oa lb e th a n e . 19 9 7 , 6 (3 ) : 64 ~ 6 6—Ý9 5 1Ón g , Z ha n g X# L i X ia Th o t a en t bþn h in g , Z hÞgog—O[C@et io n / p re ss u n e d ra w do w n m e 15 o n e d o f s in g le w e ll n n t p re ss u r e g . In n r a te a n dp re s su r e a r e t he ke y fa e to rs in t he te s t de s ig n . 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If t rm a t io n idn r ea e h 00m h in th e w e o p ro d u g id le v e l a bo v e d o w n ho , a n d t rm a t io n e n e r g y 15 h e n o u g h , d o f te e hn o lo g y e a n be u s e d . T w o ex a m p le s w er e g iv e n in p a pe r .S u b je c t h e a d in g : pu m p in g w e s g , e w p u m p , d r s te m te r , w in g b a w e r e ra g e U M E N T & E Ta n o f N e w T R R O W Ia e k e r h a w W e 19 97 , 6 (3) : 7 2~ 74Q i g ia n g , Ya n g H a o , Öu a n (l T es tpm Pa n u a 1 F If a PBT p a e ke r 15 u se d in a w o r a n e x sh a w w 5 d lt to e n su re a su ie n t in g w e ig e in g a d t o k ee p a g o o d s e a lo fp a e ke r e e n re fo re pa e k e r 15 e a sy t o b e lo se n e d o r r s e d w he nt he s g 15 m a n ip u la to o p en a n d e lo se t he w e e a u g fa r e o f te R R  a n e w ty p e p a ek e re a n a lw a ys k ee p p ro pe r se g a n d se a l w 5 in e o m p re s n o r te n n , m ee ha n ie al lo ek in g u n it m a ys u p po rt t he pr e re re n m a bo v e o r b e lo w th e p a e k re sy m a t u pp er s m a k e s pa c ke rr e le a g o p er a n e a s ie r . F u r rm o r e , a p a n o f p a c ke r s im s te st g d e n a n d : a ss u e e e l ra o f te A n a a l te st a w e ll o f In n e r Mo n g o p ro d u c n e a g : 1 77 . sm m 5 . 09m , Pe r fo ra n s : 1 46 . 0 . v e s a p a o f sy st T ae k e r 15 a s Pe e ia su r te st s in u n d e rb a la n e ed w e Su et g : w w e re tr ie v a p ae k e r , d e m te st in g , s u e e e ss r a tio
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