A kind of test method for depositing sulfur corrosion of oil well pipe material and its test fixture
A corrosion test and sulfur deposition technology, which is used in analysis of materials, weather resistance/light resistance/corrosion resistance, measurement devices, etc., and can solve problems such as lack of reliability in test results, uneven corrosion of samples, and inability to effectively simulate corrosion behavior.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0052] The 028 iron-nickel-based alloy for oil casing is selected as the test material, and its main components are: 28% Cr, 30% Ni, 3% Mo, 1% Cu, and the balance of Fe. Process it into a round bar with a diameter of 8 mm and a length of 10 cm. The center of both ends of the sample is processed with a 120° conical hole, then polished with 600# sandpaper, cleaned with acetone ultrasonically, and weighed with a balance with an accuracy of 0.1 mg.
[0053] The simulation solution was prepared according to the formation water composition of an oilfield, and the Cl in the solution - The concentration is about 100g / L, and the main components of the solution are shown in Table 1.
[0054] Table 1 Composition and content of simulated solution
[0055] Element
[0056]Sieve the sulfur powder with a 400-mesh standard sieve, take the sulfur powder below 400 mesh, stir and mix it with the simulated solution according to the aforementioned method, and make it into a paste. Put ...
Embodiment 2
[0058] The G3 nickel-based alloy for oil and casing is selected as the test material, and its main components are: 50% Ni, 22% Cr, 8% Mo, 2% Cu, and the balance of Fe. Process a round bar with a diameter of 8 mm and a length of 10 cm, and process a 120° conical hole at the center of both ends of the sample, then polish it with 600# sandpaper, clean it ultrasonically with acetone, and weigh it with a balance with an accuracy of 0.1 mg.
[0059] The composition of the simulated solution is shown in Table 1, the Cl in the solution - The concentration is about 50g / L.
[0060] Table 2 Composition and content of simulated solution
[0061] Element
NaHCO 3
Na 2 SO 4
CaCl 2
MgCl 2
KCl
NaCl
Content, g / l
1.2
1.0
19.8
2.0
0.5
58.6
[0062] The preparation method of sulfur powder is as above. Put the sample into figure 1 In the shown sleeve with an inner diameter of 16mm, the diameter of the hole on the sleeve is...
PUM
Property | Measurement | Unit |
---|---|---|
size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com