By Richard M. Bateman
This publication addresses very important concerns, equivalent to the assessment of shale gasoline reservoirs and their creation. subject matters contain the cased-hole logging surroundings, reservoir fluid homes; circulation regimes; temperature, noise, cement bond, and pulsed neutron logging; and casing inspection. construction logging charts and tables are integrated within the appendices. The paintings serves as a finished reference for construction engineers with upstream E&P businesses, good logging provider corporation staff, collage scholars, and petroleum education professionals.
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Extra info for Cased-Hole Log Analysis and Reservoir Performance Monitoring
76. Pw/ Tw/ Z a. Find 1I Bg. b. If the well flows 1 MMscflD, what is qgw/? BOTTOM HOLE GAS DENSITY. The bottomhole gas density is an important item of data for correct interpretation of gradiomanometer surveys. 001223 . 11 Bg glce. 16 offers a nomogram that performs the same calculation. 8 pgw! Given: lIBg yg Find Pgw/ = 100. 7 (to air). _ gl ce. GAS VISCOSITY. Gas viscosity is a function of gas gravity, tempera- ture, and pressure. 6. 200°F. 3000 psi. Find fLg __ cpo fLg. 51 3. ' ~ r. 6 Find PFgwf.
Tpc = 410oR. 07. 61. 3. 07 (Ppr) . 1. Ppr 2. Tpr = = 4. 6 and 1. 7 lines. 5. 828. FIGURE 3. 14 Natural-Gas Deviation Factor. Courtesy Schlumberger Well Sen·ices; after Standing and Katz 1942. 49 3. - =(.!. f 80 PIC 1,000 5,000 0. 2 4S0 250 SOO Find IIBg . Given: Pwf = Twf Z = = 140 kg/ sq em . 93°C. 828. 1. Enter PWf seale at 140 kg/sq em. 2. Follow lines as in small diagram. 2. Read IIBg = 135. 15 Gas Formation Volume Factor. Courtesy Schlumberger Well Services. 15. Note that values for T in the above equation must be in degrees Rankin (OR).
It is used to make many of the estimates necessary for correct prediction of downhole conditions during the planning of production logging and/or interpretation of the results. S, Pwf, ,,/0' and ,,/g. 18 combines all these factors on one chart. BUBBLE-POINT PRESSURE. 7. 40 API. 200°F. 1000 cUB. Find Pb psi. 04 Q) (/) 0 0. 01 u 0. 0 7 0 0. 04 U 0. 03 ::t ......... 0 I 5 ----- :::-- ....... 0 " 6~Q2. 0 rn rn Q) 0 ,07 '0 0. 70. 2000 psia. 200°F. 1. 70 chart at 2. Go up to TWf = 200°F. 3. 018 cpo Pwf = 2000 psia.