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Big hole charge

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Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182444-MS
... Abstract Using the upgraded capabilities of the perforation flow laboratory, and after some trial and error, tests were successfully conducted designed to compare zinc and steel-cased big hole (BH) shaped charges at bottomhole conditions. In the past, conducting perforation performance tests...
Images
Graphical depiction of the complex behavior of one <span class="search-highlight">Big</span> <span class="search-highlight">Hole</span> <span class="search-highlight">charge</span> as it tr...
Published: 03 December 2018
Figure 5 Graphical depiction of the complex behavior of one Big Hole charge as it transitions from short clearance hole size performance to long clearance entrance hole diameter (EHD) performance, which is critical to accurately predict performance in P&A scenarios. More
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170485-MS
... treatment, whereas the deeper reservoirs can be completed without particular requirements of sand control. Big hole charges followed by mechanical surge are the preferred perforating technique for an optimum gravel pack. For consolidated formations, deep penetration charges, with a dynamic underbalance...
Journal Articles
J Pet Technol 41 (07): 671–672.
Paper Number: SPE-19888-PA
Published: 01 July 1989
.... The clearance effect on gun performance for big-hole and deeply penetrating charges is shown by the curves in Fig. 1. penetrating charges is shown by the curves in Fig. 1. Entrance-hole diameter, as illustrated by these data, is optimal within certain clearances. Penetration (Fig. 2) falls off rapidly...
Journal Articles
J Pet Technol 61 (09): 62–63.
Paper Number: SPE-0909-0062-JPT
Published: 01 September 2009
..., measured as unconfined compressive strength. It is recognized throughout the industry that for sand-control completions, both high shot density and big-hole charges are the optimum gun/charge configuration. Increased area open to flow maximizes the productivity of the well while it reduces the fluid...
Proceedings Papers

Paper presented at the SPE Deepwater Drilling and Completions Conference, September 14–15, 2016
Paper Number: SPE-180313-MS
... sensitive completion equipment or might not be realized until later in a well's life. This necessitates a new low-debris perforating system designed to significantly reduce debris associated with high-shot-density big-hole charges. Past solutions at low-shot densities have involved introducing materials...
Journal Articles
SPE Drill & Compl 11 (03): 173–177.
Paper Number: SPE-30081-PA
Published: 01 September 1996
... of reservoir porosity, permeability, and diameter of the perforation tunnel in the rock. The equations are independent of oil compressibility and viscosity. The dependency on perforation diameter suggests that larger charges are more damaging than small charges and that big hole charges are more damaging than...
Proceedings Papers

Paper presented at the SPE Formation Damage Control Symposium, February 26–27, 1992
Paper Number: SPE-23772-MS
... penetrator charges, while Company C and Company F only used big hole charges. P. 73 gravel society of petroleum engineers drawdown gulf deep water reservoir information acid upstream oil &amp; gas interview sand control slurry completion installation and operations deepwater sand...
Proceedings Papers

Paper presented at the SPE International Symposium on Formation Damage Control, February 23–24, 2000
Paper Number: SPE-58788-MS
... of perforation tunnels to produce sand free can be classified into theoretical models, experimental methods and historical techniques. Deep penetrating charges are recommended as they produce smaller diameter perforation tunnels that are more stable than larger diameter tunnels produced by big hole charges...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-147044-MS
... in many provinces. However, CHFP completions manifest in limited flow entry area into the well. This may cause two problems; a loss of productivity and potential screen erosion. In CHFP designs it is common to perforate the casing with high shot density big hole charges, but due to shot orientation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1993
Paper Number: SPE-26563-MS
..., Besides maximizing the FCD, the perforating completion and the execution of F&amp;P should include steps to minimize near-wellbore damage. These include perforating with high shot density and big hole charges, initiating or breaking down the fracture with high pump rate, packing the fracture (near...
Images
Perforating <span class="search-highlight">Charges</span> Performance. Left: Deep Penetration <span class="search-highlight">Charges</span>. Right: <span class="search-highlight">Big</span>...
Published: 09 July 2012
Figure 1 Perforating Charges Performance. Left: Deep Penetration Charges. Right: Big Hole Charges. More
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-63117-MS
... psi. Conventional Big Hole guns (22.7 gram charge) were used as a baseline for this work. Their observations and description of the perforation path, both features and physical dimensions, match those from the clamshell test, yielding a perforation path estimated to be 3 to 6 inches compared to 7...
Images
(a) Perforated casing presenting <span class="search-highlight">hole</span> roundness and size (b) table detailin...
Published: 15 September 2021
Figure 7 (a) Perforated casing presenting hole roundness and size (b) table detailing hole size statistics and variance (c) close-up view of hole in 5 ½ inch perforated P110 casing (d) Concept of making 0.038 in thick CLEAR sheet from powder compacts for coining big hole charges. More
Images
CT reconstruction images showing a fracture pattern in rock around a region...
Published: 15 March 2019
Figure 4 CT reconstruction images showing a fracture pattern in rock around a region perforated by a big hole charge ( Crabtree et al. 2018 ). More
Images
SRC Setup for Perforation 1. Confining Chamber with confining fluid (kerose...
Published: 30 September 2001
Fig 1 SRC Setup for Perforation 1. Confining Chamber with confining fluid (kerosene). 2. Simulated wellbore with wellbore fluid (kerosene). 3. Core sample (kerosene saturated at residual brine saturation). 4. Gun with shaped charge (25B big hole charge, 0.5-in standoff). 5. Shooting leads. 6. Accu... More
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156422-MS
...Figure 1 Perforating Charges Performance. Left: Deep Penetration Charges. Right: Big Hole Charges. ...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174276-MS
... throughout the industry and by many authors [ 3 ] that for sand control completions both high shot density and big hole charges are the optimum gun-charge configuration. Increased area open to flow maximizes the productivity of the well while it reduces the fluid velocity per perforation reducing risk...
Proceedings Papers

Paper presented at the SPE European Petroleum Conference, October 24–25, 2000
Paper Number: SPE-65187-MS
... charges (20 to 40%) were used as opposed to big hole charges (6 to 12%). Underbalance value of 750 psi was chosen based on laboratory experiments on similar outcrop rock. The well was perforated with brine in the wellbore and was flowed immediately after perforation. Extended post-perforation (pre-pack...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193964-MS
...Figure 5 Graphical depiction of the complex behavior of one Big Hole charge as it transitions from short clearance hole size performance to long clearance entrance hole diameter (EHD) performance, which is critical to accurately predict performance in P&amp;A scenarios. ...

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