Combined electrode for determining sulphur ion of drilling fluids

A technology of combining electrodes and sulfide ions, applied in the field of electrodes, can solve the problems of tight space and limited space, and achieve the effect of improved cost performance and compact structure

Inactive Publication Date: 2008-07-09
SHANGHAI GASOLINEEUM & CHEM EQUIP +1
View PDF0 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In addition, the space available for installing instruments on the drilling site is limited, and the installation of three additional instruments will make the originally limited space even tighter.

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Combined electrode for determining sulphur ion of drilling fluids
  • Combined electrode for determining sulphur ion of drilling fluids

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] As shown in Figure 1, it is a schematic structural diagram of a combined electrode for determining sulfur ions in drilling fluid. The combined electrode for determining sulfur ions in a drilling fluid consists of a solid reference electrode 1, a signal processing circuit 2, and a solid-state reference electrode 1. 2- Measuring electrode 3, pH - Composed of measuring electrode 4 and temperature probe 5, signal processing circuit 2 is connected with solid reference electrode 1, S 2- Measuring electrode 3, pH - The measuring electrode 4 is connected to the temperature probe 5 .

[0022] As shown in Figure 2, it is a block diagram of a signal processing circuit. The signal processing circuit 2 is composed of an impedance buffer stage 6, an amplifier circuit 7, an AD converter 8, a single-chip microcomputer 9 and a DA circuit 10, and the impedance buffer stage 6 passes through the amplifier circuit. 7 is connected with AD converter 8, and AD converter 8 is connected with D...

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

No PUM Login to view more

Abstract

The invention relates to a composite electrode for measuring sulfur ions in drilling fluid, which is characterized in that the composite electrode is composed of a solid-state reference electrode, a signal processing circuit, a S<2-> measurement electrode, a PH<-> measurement electrode and a temperature probe, wherein, the signal processing circuit is respectively connected with the solid-state reference circuit, the S<2-> measurement electrode, the PH<-> measurement electrode and the temperature probe. The invention has the advantages that the solid-state electrode is more suitable for drilling liquid, the S<2-> measurement electrode and the PH<-> measurement electrode share the solid-state reference electrode, the S<2-> measurement electrode, the PH<-> measurement electrode and the solid-state reference electrode can be replaced independently with improved performance-price ratio. By combining three instruments into one instrument, the invention has compact structure and is especially suitable for online detection of sulfur ions of drilling liquid.

Description

technical field [0001] The invention relates to a combined electrode for measuring sulfur ions in drilling fluid, which belongs to the technical field of electrodes. Background technique [0002] h 2 S is a gas that is weakly acidic and easily soluble in water. When it is dissolved in water, H - 、H + , S 2- Plasma forms exist, and show different concentration ratios with the pH value of the aqueous solution; therefore, the H in the solution can be measured + , S 2- concentration, predicted H 2 Possibility of S gas overflow, guarantee for drilling safety, and H 2 Compared with the determination of S gas content, this method can detect H 2 S is abnormal, and has predicted H 2 The ability to generate S gas. [0003] H in solution + , S 2- The methods for measuring concentration are: [0004] h + The most commonly used and simplest method of determination is to use a pH electrode to directly measure the pH value of the solution to calculate the H + Concentration, t...

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): G01N27/30E21B49/08
Inventor 毕东杰沈亚光
Owner SHANGHAI GASOLINEEUM & CHEM EQUIP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap