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Products tagged with 'acid stimulation'

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Picture for Behavior of Titanium Exposed to Fresh and Spent Dilute HF Acid Well Stimulation Fluids
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51318-10863-Behavior of Titanium Exposed to Fresh and Spent Dilute HF Acid Well Stimulation Fluids

Product Number: 51318-10863-SG
Author: Ronald W. Schutz / Heath W. Walker
Publication Date: 2018
$20.00

UNS R56404Titanium exposure to warm, naturally-aerated, dilute, HF-containing, fresh acid mixtures does result in unacceptable, elevated etch rates. Several common inorganic salts such as aluminum, molybdate, and/or borate salts, inhibit this attack.
Picture for New Understanding on Iron Sulfide Deposition During Acid Stimulation in Sour Gas Wells
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51318-11060-New Understanding on Iron Sulfide Deposition During Acid Stimulation in Sour Gas Wells

Product Number: 51318-11060-SG
Author: Peng Lu / Tao Chen / Qiwei Wang / Frank Chang
Publication Date: 2018
$20.00

Reactive transport modeling (RTM) is applied to simulate ion sulfide scaling - a problem for oil and gas production from sour reservoirs. Results reveal spatial and temporal distribution of iron-bearing scale precipitation, wormhole formation, and reservoir pressure/ water chemistry evolution.
Picture for Insight into mechanisms of iron sulfide deposition in carbonate reservoir during acid stimulation
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51318-11141-Insight into mechanisms of iron sulfide deposition in carbonate reservoir during acid stimulation

Product Number: 51318-11141-SG
Author: Tao Chen / Qiwei Wang / Frank Chang
Publication Date: 2018
$20.00

A study to understand the mechanisms of iron sulfide deposition during acid stimulation. It will benefit defining proper strategy to control iron sulfide deposition in downhole tubing and near wellbore matrix in carbonate reservoirs.
Picture for Kinetic Approach To Predict Iron Carbonate Precipitation During Acid Stimulation
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Kinetic Approach To Predict Iron Carbonate Precipitation During Acid Stimulation

Product Number: 51321-16769-SG
Author: Peng Lu; Qiwei Wang; Tao Chen
Publication Date: 2021
$20.00
Picture for Materials and Corrosion Risk Mitigation Associated with Flowback of Acid Stimulation Fluids
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Materials and Corrosion Risk Mitigation Associated with Flowback of Acid Stimulation Fluids

Product Number: 51317--8917-SG
ISBN: 8917 2017 CP
Author: Sandra Hernandez
Publication Date: 2017
$20.00

Acid stimulation is a growing practice in the deep water subsea environment. Two acids were tested, one of hydrofluoric and acetic acids and another of hydrofluoric, hydrochloric, and acetic acids. Results and outlines recommendations for different alloys are presented.
Picture for New Insight Into The Mechanisms Of Iron Carbonate Formation In Sweet Carbonate Reservoir During Acid Stimulation
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New Insight Into The Mechanisms Of Iron Carbonate Formation In Sweet Carbonate Reservoir During Acid Stimulation

Product Number: 51321-16531-SG
Author: Tao Chen/ Qiwei Wang/ Bader Al-Harbi/ Khalid Alnoaimi
Publication Date: 2021
$20.00
Picture for Non Producing Environments Leading to Downhole CRA Completion Failures
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Non Producing Environments Leading to Downhole CRA Completion Failures

Product Number: 51324-20620-SG
Author: B. J. C. Thomas; M. Al Kindi; A.S. Braiki
Publication Date: 2024
$40.00
Materials selection for any oil and gas equipment, but specifically in wells, tend to focus on the nature and characteristic of the producing environments, or injected fluids if dealing with an injector well. They benefit from greater appreciation on the uncertainty range, in terms of volumes, pressure, temperature and concentration of corrodents since it forms the basis of the business case to drill a new well. There is no robust industry-wide materials selection standards, besides that of the sour limitation of ISO 15156, and Operators are therefore relying on their internal standards, if available, or recommendations from equipment manufacturers or suppliers to select the most appropriate OCTG for that given “worst case” environment. This paper describes several wells completion failures that are attributed to temporary internal or external exposures, at times in wells that were not even cleaned up from the initial completion brine. The events that led to extensive internal corrosion of N08535 tubing and cracking of 13Cr-110 ksi (13-5-2 grades per ISO 13680) are described with the aim to bring higher awareness to the Operators that due diligence of materials selection should not be limited to the primary fluids that are to be transported.
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