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Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference and Exhibition, February 4–6, 2020
Paper Number: SPE-199761-MS
... Abstract Frac-Driven Interactions (FDI)s are the most pressing topic of discussion within the fracturing community at the present time. The findings of this paper are based on review of BH pressure and temperature data collected in multiple wells during active fracturing operations. Detailed...
Proceedings Papers

Paper presented at the SPE Hydraulic Fracturing Technology Conference, February 3–5, 2015
Paper Number: SPE-173389-MS
... surface pressure is generally sufficient to establish bottomhole (BH) pressure decline behavior by correcting for a constant hydrostatic pressure, the inherent uncertainty of friction pressure of crosslinked gel in the tubular does not establish the correct pumping net pressure trend. BH sensor pressure...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156191-MS
... Drilling Fluid Expansion Rate (%) 76 29.7 2.3 21.2 13.7 5.6 Remarks : The cuttings are compressed from kaoline and bentonite (each accounts for 50%) Properties evaluation of BH-ATH "anti-three high" drilling fluid The basic formula of BH-ATH "anti-three high" drilling fluid...
Proceedings Papers

Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-0332
... characteristic favorable zone thickness high frequency em method knowledge management Reservoir mapping using a high frequency electromagnetic method, a case history of BH oil field Zhanxiang HeXiben Wang Zhenhua He 5th Division, BGP, CNPC, Chengdu University of Technology, P. R. China Summary...
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Dry gas converted <span class="search-highlight">BH</span> pressures against actual <span class="search-highlight">BH</span> and WH pressures.
Published: 10 June 2013
Figure 11 Dry gas converted BH pressures against actual BH and WH pressures. More
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Log-log plots of the estimated <span class="search-highlight">BH</span> against actual <span class="search-highlight">BH</span> and WH pressures.
Published: 10 June 2013
Figure 12 Log-log plots of the estimated BH against actual BH and WH pressures. More
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Production‐test data from Well L13‐09 (NLOG  1986a ). RT = rotary table; <span class="search-highlight">BH</span>...
Published: 14 May 2020
Table 3 Production‐test data from Well L13‐09 (NLOG 1986a ). RT = rotary table; BHP = bottomhole pressure; THP = tubinghead pressure. More
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Common principle of drawdown‐management optimization on the basis of (a) <span class="search-highlight">BH</span>...
Published: 17 February 2020
Fig. 2 Common principle of drawdown‐management optimization on the basis of (a) BHP ramp down (Kumar et al. 2018 ) and (b) production‐rate target (Yong et al. 2018 ). More
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(a) Surface injection rate, <span class="search-highlight">BH</span> flow rate, and the rate–dependent  β– factor...
Published: 10 May 2019
Fig. 6 (a) Surface injection rate, BH flow rate, and the rate–dependent β– factor; (b) BHP and fracture internal pressure, friction, net pressure at the wellbore, and average net pressure during injection and falloff. More
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The effect of BHP on cumulative production. The solid lines are when the <span class="search-highlight">BH</span>...
Published: 15 August 2016
Fig. 6 The effect of BHP on cumulative production. The solid lines are when the BHP is at 10 MPa (1,500 psi), and the dashed line is when the BHP is 3.4 MPa (500 psi). The lower lines for both cases are when desorption is not included. In both cases, the higher sorption isotherm is used from Fig.... More
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Bottomhole flow rate  q   <span class="search-highlight">bh</span>  ( t ) for a step-rate change in the wellhead ...
Published: 20 October 2015
Fig. 13 Bottomhole flow rate q bh ( t ) for a step-rate change in the wellhead flow rate q wh ( t ) for the single-phase and the WBS models. More
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<span class="search-highlight">BH</span> model; variable range is split into equal-sized bins.
Published: 23 August 2012
Fig. 2 BH model; variable range is split into equal-sized bins. More
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Uncertainty interval obtained for PUNQ-S3 by EDA-<span class="search-highlight">BH</span> and EDA-BOA in this stu...
Published: 23 August 2012
Fig. 11 Uncertainty interval obtained for PUNQ-S3 by EDA-BH and EDA-BOA in this study when compared with results in original PUNQ-S3 study (left) shows better estimation of the uncertainty, and when compared with results from other algorithms in the group (right) shows that EDAs are competitive. More
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Comparison of observed bottomhole pressure (BHP) (magenta) and simulated <span class="search-highlight">BH</span>...
Published: 08 September 2009
Fig. 3 Comparison of observed bottomhole pressure (BHP) (magenta) and simulated BHP from the base model (blue) and the damage-zone model (green) for two production wells (CSP3, CSP7) and one injection well (CSI3). The damage-zone model shows a significant improvement in the history matching in all... More
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The cumulative distribution function (cdf) of the most varying variable (<span class="search-highlight">BH</span>...
Published: 19 June 2007
Fig. 12 The cumulative distribution function (cdf) of the most varying variable (BHP at P1). More

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