Page 139 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2

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Fkw by heads, swpbbing. etc. The 5Shaped Cum. Shut-in at Ei'
Them em many variations caused surface, return of gas into 801~- Packer failed. reset, and held. Run away dock. Clock spring
Remvered some mud and reservoir
released when tool WBS opened.
by avebblng. fkw by heeds, choke tbn, small permeable zona In fluids in reduced amount8. Reuwery Included formation
Plugghg. etc. Recovery hCludeS tight llquld Wiled formath, fluids in normal amounts.
reservoir fluids. Swabbing may- etc.. glve such cum durlng build-
cause a pmssure decline If Huid up. Recovery Includes reservoir
levels am lawsred. fluids in normal amounts.
I
TWI failed IO open. NO fluid Clock dld not run. Recovered Clock stoppad on opening tool
TWI felled to close. No bund- excepl maybe a litlle mud is reservoir flulds In normal and started agah when tool
up 1s obtained. Recovery includea recavered. Measured pmssure amount. was shut in. Recovered resenroir
brmsSon flulda may tend to decllne to that flulds In normal quantities.
In the reservoir.
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PdmrYMandmuMnot Pedcer falled at tlme of shutln. Uniform siii in clock Clock stopped upon maching
bottom and started when started
be mset. Recovered mud wlth Reawered reservoir Huids in mechanism. Tlm scale is In mmhlg out of hole. Recovered
some
very llllle brmatbn fluld. normal amounts ~JXI mud as error. Recovered reservolr reservoir flulds In normal
mqulred to equalii pressure. Nuids In normal amount&
quantities.
Figure 5-63. Continued.