Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Sidetracking petroleum case pipe for petroleum natural gas mining industry and production process thereof

A technology of oil and natural gas and oil casing, which is applied in the field of oil and gas exploration industry side diamond oil casing and its production, which can solve problems such as economic loss, oil layer casing damage, and failure of normal production of oil and gas wells, so as to reduce drilling costs Effect

Active Publication Date: 2008-05-21
TIANJIN PIPE GROUP CORP
View PDF0 Cites 19 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Every year, there are a large number of oil and gas wells at home and abroad where the oil layer casing is damaged, resulting in the oil and gas wells not being able to produce normally, and new wells must be drilled, resulting in greater economic losses

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0051] Take TP110V (φ95.25×5.512mm) as an example of the petroleum casing produced according to the above composition and method, its chemical composition and processing parameters are as follows:

[0052] The chemical composition and weight percent of the casing are: C 0.26%, Si 0.18%, Mn 1.05%, Cr 0.98%, Mo 0.18%, Ni 0.07%, Cu 0.11%, P 0.014%, S0.010%, and The amount is Fe.

[0053] Use molten iron and scrap steel as raw materials for steelmaking, melt it into molten steel in an electric arc furnace, and obtain the above chemical composition after refining outside the furnace and vacuum degassing, and continuously cast it into a round billet, and cast the cooled continuous casting billet in a ring heating furnace Internal heating, furnace temperature is 1285°C, heat centering temperature is 1210°C, hot piercing temperature is 1230°C, continuous rolling, sizing, cooling, sawing, straightening, flaw detection; heat treatment: water quenching at a temperature of 910°C Quenchin...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
yield strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
yield strengthaaaaaaaaaa
Login to View More

Abstract

The present invention provides a side diamond oil casing for oil and gas exploitation industry, the chemical composition of the oil casing is: C=0.23~0.40, Si=0.15~0.50, Mn=0.60~1.60, P≤0.25, S≤ 0.15, Cr=0.40~1.60, Mo=0.10~0.40, Cu≤0.30, and the balance is Fe; a method for producing the side diamond oil casing for the oil and gas exploitation industry is also provided, the method includes the steps of: refining Steel raw material; steelmaking; heating the cooled continuous casting slab in an annular heating furnace, the furnace temperature is 1250-1290°C, the heat centering temperature is 1200-1220°C, the hot piercing temperature is 1220-1250°C, continuous rolling, Sizing, cooling, sawing, straightening, flaw detection; heat treatment, final flaw detection; joint thread processing. The effect of the present invention is that the sidetracking casing produced by the method can ensure the smooth insertion of the casing, leave enough space for the installation of sucker rods and pumps in subsequent oil production operations, and quickly restore normal oil and gas production, thereby greatly Reduce drilling costs.

Description

technical field [0001] The invention relates to a production method of an oil casing, in particular to a side diamond oil casing used in the oil and gas exploitation industry and a production method thereof. Background technique [0002] Every year, there are a large number of oil and gas wells at home and abroad where the oil layer casing is damaged, resulting in the oil and gas wells not being able to produce normally, and new wells must be drilled, resulting in greater economic losses. Some old wells cannot continue oil production operations due to long oil production time, regenerated casing corrosion and other damages. The sidetracking of the oil layer by the pipe will reduce the drilling cost exponentially, and the drilling cost will be easily recovered through oil recovery, which not only increases the recovery rate of crude oil but also increases the economic benefits of the oil field. Contents of the invention [0003] In order to solve the problems in the above-...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/00E21B17/042C22C38/22C22C38/38C22C33/04C21D9/70C21D1/18C21D8/06
Inventor 卢小庆孙开明邱锋王京白兴国李恒政
Owner TIANJIN PIPE GROUP CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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