CN214174103U - Associated gas system corrosion monitoring protective cap for probe - Google Patents
Associated gas system corrosion monitoring protective cap for probe Download PDFInfo
- Publication number
- CN214174103U CN214174103U CN202023082208.2U CN202023082208U CN214174103U CN 214174103 U CN214174103 U CN 214174103U CN 202023082208 U CN202023082208 U CN 202023082208U CN 214174103 U CN214174103 U CN 214174103U
- Authority
- CN
- China
- Prior art keywords
- protective cap
- probe
- cap body
- plug
- detected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A protective cap for a corrosion monitoring probe of an associated gas system comprises a protective cap body, a flow guide hole and a plug. The protective cap body is a step-shaped metal cylinder, the upper end of the protective cap body is provided with an internal thread connected with the probe rod, and the middle upper part of the protective cap body is provided with uniform and symmetrical diversion holes. The plug is a metal cylinder and is welded with the circumference of the lower end of the protective cap body. The gaseous medium to be detected can flow through the probe through the water conservancy diversion hole, and the liquid medium to be detected that wet hydrogen sulfide formed is deposited in the lower part of protective cap, and the probe can measure the corruption of gaseous medium to be detected and the liquid medium to be detected that wet hydrogen sulfide formed simultaneously.
Description
Technical Field
The utility model relates to a metal corrosion monitoring devices field, in particular to associated gas system corrosion monitoring protective cap for probe.
Background
Oil field associated gas, commonly known as gas, is a natural gas that escapes from an oil well along with oil. Typically separate from the crude oil near the wellbore zone and downhole, primarily through the casing to the surface, and a small portion of the free and dissolved gases from the tubing to the surface. The hydrogen sulfide content in the medium is high, the oil field ground gathering, transportation and processing equipment and pipelines are mostly made of carbon steel, chromium molybdenum steel and the like, and can be corroded by the hydrogen sulfide, and accidents caused by wet hydrogen sulfide stress corrosion cracking are often sudden and disastrous. Corrosion control of associated gas gathering and processing equipment is also challenged by the influence of corrosive media such as wet hydrogen sulfide.
Corrosion monitoring is a fundamental condition for corrosion control and management, and therefore it is essential to develop corrosion monitoring of associated gas systems. The use of corrosion probes to measure metal corrosion is a common corrosion monitoring technique. As the probe is inserted into the pipeline, the gaseous medium to be detected with high flow rate scours the probe, and the probe can be bent. The conventional protective cap for preventing the probe from being bent by impact is provided with flow guide holes which are uniform and symmetrical so as to reduce impact. Due to the fact that the content of hydrogen sulfide in the pipeline medium of the associated gas system is high, wet hydrogen sulfide is gathered on the inner surface of the pipeline to cause corrosion cracking, and the conventional protective cap is not suitable for the measured medium containing the wet hydrogen sulfide.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the utility model provides an associated gas system corrosion monitoring protective cap for probe.
The utility model discloses a concrete technical scheme does:
the protective cap is characterized by comprising a protective cap body, a probe rod, a flow guide hole and a plug, wherein the upper end of the protective cap body is connected with the lower end of the probe rod, the probe is connected to the lower end of the probe rod and located inside the protective cap body, the flow guide hole is formed in the middle upper portion of the protective cap body, and the plug is fixedly connected with the lower end of the protective cap body.
Preferably, the protective cap body is a stepped metal cylinder, and the circumference of the protective cap body is reduced from top to bottom. The upper part of the protective cap is thickened in a step shape to increase the strength of resisting fluid impact, and the upper part is the part with the largest impact stress, so the upper part is thickened in a step shape to increase the strength of the upper part and prevent the protective cap from being bent by the fluid.
Preferably, the upper end of the protective cap body is provided with an internal thread connected with the probe rod.
Preferably the plug is a metal cylinder.
Preferably, the plug is welded with the circumference of the lower end of the protective cap body.
Preferably, the lower end of the probe is positioned between the diversion hole at the lowest end and the plug.
Preferably, the diversion holes are uniformly and symmetrically arranged.
The technical effects of the utility model are as follows:
the gaseous medium to be detected can flow through the probe through the water conservancy diversion hole, and the liquid medium to be detected that wet hydrogen sulfide formed is deposited in the lower part of protective cap, and the probe can measure the corruption of gaseous medium to be detected and the liquid medium to be detected that wet hydrogen sulfide formed simultaneously.
Due to the fact that the content of wet hydrogen sulfide in a pipeline medium of an associated gas system is high, a liquid medium to be detected formed by the wet hydrogen sulfide can be stored in a cavity at the lower portion of the protective cap, and the probe can simultaneously measure corrosion of the gaseous medium to be detected and the liquid medium to be detected formed by the wet hydrogen sulfide.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
The reference numbers in the figure are as follows:
1-probe rod, 2-protective cap body, 3-flow guide hole, 4-gaseous medium to be detected, 5-liquid medium to be detected formed by wet hydrogen sulfide, 6-probe and 7-plugging.
Detailed Description
The present invention will be further explained with reference to the following embodiments and drawings.
Examples
As shown in fig. 1, the protective cap for the corrosion monitoring probe of the associated gas system comprises a probe 6, a probe rod 1, a protective cap body 2, a diversion hole 3 and a plug 7. The protective cap body 2 is a step-shaped metal cylinder, the upper end of the protective cap body is provided with an internal thread connected with the probe rod 1, and the middle upper part of the protective cap body is provided with uniform and symmetrical diversion holes 3. The plug 7 is a metal cylinder, and the plug 7 is welded with the circumference of the lower end of the protective cap body 2. The gaseous medium to be detected 4 can flow through the probe through the diversion holes 3, the liquid medium to be detected 5 formed by wet hydrogen sulfide is stored at the lower part of the protective cap, and the probe 6 can simultaneously measure the corrosion of the gaseous medium to be detected 4 and the liquid medium to be detected 5 formed by wet hydrogen sulfide.
Claims (7)
1. The protective cap is characterized by comprising a protective cap body, a probe rod, a flow guide hole and a plug, wherein the upper end of the protective cap body is connected with the lower end of the probe rod, the probe is connected to the lower end of the probe rod and located inside the protective cap body, the flow guide hole is formed in the middle upper portion of the protective cap body, and the plug is fixedly connected with the lower end of the protective cap body.
2. The protective cap of claim 1, wherein the protective cap is a stepped metal cylinder with a circumference decreasing from top to bottom.
3. The protective cap of claim 1, wherein the upper end of the protective cap body is provided with an internal thread for connecting with a probe rod.
4. The protective cap for the associated gas system corrosion monitoring probe of claim 1, wherein the plug is a metal cylinder.
5. The protective cap of claim 1, wherein the plug is welded to the circumference of the lower end of the protective cap body.
6. The protective cap of claim 1, wherein the lower end of the probe is located between the lowest diversion hole and the plug.
7. The protective cap for the associated gas system corrosion monitoring probe of claim 1, wherein the flow guiding holes are uniformly and symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082208.2U CN214174103U (en) | 2020-12-18 | 2020-12-18 | Associated gas system corrosion monitoring protective cap for probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082208.2U CN214174103U (en) | 2020-12-18 | 2020-12-18 | Associated gas system corrosion monitoring protective cap for probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214174103U true CN214174103U (en) | 2021-09-10 |
Family
ID=77607041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023082208.2U Active CN214174103U (en) | 2020-12-18 | 2020-12-18 | Associated gas system corrosion monitoring protective cap for probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214174103U (en) |
-
2020
- 2020-12-18 CN CN202023082208.2U patent/CN214174103U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11091998B2 (en) | Downhole corrosion, erosion, scale and deposit monitoring system | |
| US20190264832A1 (en) | Erosion monitoring system | |
| CN214174103U (en) | Associated gas system corrosion monitoring protective cap for probe | |
| CN108625805B (en) | Underground bidirectional flow electromagnetic measuring device and measuring method | |
| CN201043683Y (en) | Operation monitoring apparatus for CNG gas storage well | |
| US2392033A (en) | Sucker rod coupling with zinc inserts | |
| CN209764329U (en) | Piston type pressure gauge anti-freezing joint | |
| CN208203156U (en) | Anticorrosive centralizer | |
| CN204002601U (en) | The incompressible casing threaded connection structure of triple seal | |
| CN203022641U (en) | Non-magnetic pressure-bearing drilling stem | |
| CN210738515U (en) | Casing head device of thermal production well | |
| CN109060052A (en) | A kind of corrosion resistant metal pipe float flow meter | |
| CN212130421U (en) | Corrosion-resistant and wear-resistant double-wall drill pipe body | |
| CN112096347A (en) | Anticorrosive anode tool in sleeve | |
| CN210134915U (en) | Special bucket that drags of pressure measurement in oil pipe | |
| CN108104760A (en) | One kind is used for tubing hanger end metal sealing structure | |
| CN219200764U (en) | Quantized sealing cylinder sealing effect detection tool | |
| CN217236887U (en) | Electrode for electromagnetic flowmeter and electromagnetic flowmeter | |
| RU2376456C1 (en) | Well swabbing equipment | |
| CN111189764B (en) | Suspension device for corrosion hanging piece in pipeline | |
| CN215213466U (en) | Online detection device for oil well produced liquid | |
| CN107677331A (en) | Compression high-voltage electromagnetic flowmeter inside and outside a kind of immersion | |
| CN201163543Y (en) | Integrated nucleus grade-one throttling device | |
| CN216110639U (en) | Wellhead throttling valve bank pry | |
| CN218444184U (en) | Temperature measuring element protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |