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Acid brittleness

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Proceedings Papers

Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 15–18, 2017
Paper Number: SPE-187583-MS
... fracture Mauddud Formation rock mechanical property formation property Exhibition mechanical property fracture propagation reservoir propagation unconventional horizontal well society of petroleum engineers porosity workflow permeability packer brittleness openhole multistage acid frac...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188473-MS
... acid frac hydraulic fracturing formation property porosity conductivity formation mechanical property Directional Drilling unconventional oil reservoir acid Mauddud Formation fracture well logging Upstream Oil & Gas lateral section productivity brittleness propagation reservoir...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-115258-MS
... in the industry to classify the shale by lithofacies, brittleness, and to emulate the lab measurement of acid solubility and capillary suction time test. This is the first step in determining if a particular shale is a viable resource, and which stimulation method will provide a stimulation treatment development...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1152
... and area tight carbonate gas in eastern Ordos Basin, China. axial fracture strain rate. The difference would be Natural Gas Geoscience.28(5),677-686. magnified with increase of rock brittleness, causing fracture morphology becomes more complicated. 2. Mou, J,, Zhang, S., Zhang, Y., 2012. Acid Leak off...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 4–6, 2017
Paper Number: SPE-187516-MS
... Characterization flow in porous media Upstream Oil & Gas acid core measurement elastic moduli carbonate reservoir log analysis neural network porosity permeability profile Fluid Dynamics brittleness index elastic property correlation length society of petroleum engineers classification Poisson...
Journal Articles
J Pet Technol 66 (10): 172–176.
Paper Number: SPE-1014-0172-JPT
Published: 01 October 2014
...- ductivity and the acid concentrations necessary to optimize conductivity and, by extension, the impact on production and rock stability. The mechanical prop- erties of shale formations vary as a func- tion of mineralogy, with shales rich in brittle minerals such as quartz and car- bonates having higher...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1602
... ABSTRACT: When a hydraulic fracture is poorly supported by sub-monolayer proppant, acid treatment of a brittle, carbonate-rich shale fracture may be able to reduce proppant crushing and fracture closure by making the rock matrix more ductile. To test this hypothesis, a series of laboratory...
Proceedings Papers

Paper presented at the SPE Oklahoma City Oil and Gas Symposium, March 27–31, 2017
Paper Number: SPE-185103-MS
... friction drop (NWF) and 265 psi perforation friction. Two 35-bbl treatments of 15% HCl acid had no effect on NWF. Stage 6 was abandoned because of the high pressure. Conclusion Advanced cuttings analysis-based stimulation optimization can improve stimulation effectiveness and efficiency, and well...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211643-MS
... interval that will be hydraulically fractured ( Rickman et al. 2008 ). The open-hole logs highlighted substantial, heterogeneous rocks with limited success using CT matrix stimulations. To achieve the objective of enhancing production from the Bahrah Mauddud, an effective hydraulic acid fracturing...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-1007
... significance to carry out experimental research on relevant reservoir reconstruction methods of such rocks and explore the factors of fracture conductivity here. In this study, the influence of acid type, sanding concentrations, proppant size was research by a new experimental installation. The factors...
Proceedings Papers

Paper presented at the SPE Asia Pacific Hydraulic Fracturing Conference, August 24–26, 2016
Paper Number: SPE-181845-MS
... to increase fracture complexity in the far-field and to control fluid loss in acid fracturing. As the industry focuses more on well economics and increasing stage efficiency, proper engineering and application of far-field dissolvable solid particulate diversion technologies can increase overall well...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-236
... rocks. (2) The hardness of carbonate rocks decreases with the increase of acid concentration and the decreasing trend is obvious first and then gentle. It shows a good linear correlation. The core is brittle before and after acid corrosion. (3) The tensile strength of carbonate rocks decreases first...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16365
... region in higher pH condition as shown in Figure 10 [a] and [b], indicates greater degree of hydrogen embrittlement in the more acidic environment. Heat treatment deteriorates the sulfide corrosion cracking resistance as evidenced by a larger brittle fracture region and valley-like shaped cracks...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-127
... ABSTRACT: The effect of hardener on the tensile fracture behavior of carbon fiber reinforced plastic, CFRP, was investigated using smooth and notched tensile specimens at various temperature ranges. The hardeners used were an acid anhydride and an amine line. Experimental results were...
Proceedings Papers

Paper presented at the CORROSION 2007, March 11–15, 2007
Paper Number: NACE-07545
... density polyethylene HDPE in water at several temperatures 2 . Chemicals like sulfuric acid will shift these curves typically to shorter times and lower stress levels (Fig 3). Therefore for any piping systems the influence of the environment on the hoop stress curves is necessary. This becomes very...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-126
... science [3] etc. However, the application of 3DP in rock mechanics is in its infancy. By combination of the CT scan, 3D reconstruction and 3DP technologies, Ju et al. [4] produced a physical model to replicate natural coal rock. Jiang and Zhao [5] produced 3DP samples with polylactic acid (PLA) using...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9140
... refinery industry. Type 304 (UNS S30400) and 304H (UNS S30409) are the most common material of choice for the FCCU regenerator internals but type 321H (UNS S32109) has also been recommended if there are concerns with polythionic acid stress corrosion cracking (PTA SCC). 1, 2 Most regenerator cyclones...
Proceedings Papers

Paper presented at the ARMA/DGS/SEG International Geomechanics Symposium, November 1–4, 2021
Paper Number: ARMA-IGS-21-139
... ABSTRACT: Hydrochloric acid is the most common fluid for reduction of breakdown pressure for plug-n-perf operations. At the same time, HCl-based systems might cause corrosion of standard wireline cables or BHA, and generally are used upon wireline operation completion in HPHT formations...
Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, February 25–27, 2014
Paper Number: SPE-167787-MS
... for maximum production yield. Most often, the slickwater recipe is driven by formation fluid sensitivity analysis (e.g., effect of fresh water, salt, or acids on formation). While this might work for some formations, the rock mechanical properties, such as Young's modulus and Poisson's ratio, will determine...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10954
... corrosion tests in in 35% Hydrochloric acid solution, 10% nitric acid solution, and a 3% sodium chloride solution, and lastly Potentiodynamic testing to American Society for Testing and Materials (ASTM) 59 (1) standards. INTRODUCTION Originated in 1908 for producing armaments, high silicon cast iron...

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