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SY/T 5428--91, Standard of Petroleum and Natural Gas Industry of the People's Republic of China
Magnetic Well Logging Instrument
Published on January 15, 1992
Ministry of Energy of the People's Republic of China
Implemented on July 1, 1992
Magnetic Well Logging Instrument of Petroleum and Natural Gas Industry of the People's Republic of China
SY/T 5428-91
1 Subject Content and Scope of Application
This standard specifies the model, basic parameters, technical requirements, test methods, inspection rules and marking, packaging and storage requirements of CC89-155A Magnetic Well Logging Instrument (hereinafter referred to as Instrument). This standard applies to the manufacture and acceptance of the Instrument. 2 Reference standards
GB6587.4 Vibration test method for electronic measuring instruments GB6587.5 Impact test method for electronic measuring instruments GB2829 Periodic inspection counting sampling procedure and sampling table (applicable to production process stability inspection) SY5102 High temperature and high pressure test method for downhole instruments in petroleum exploration and development ZBYOD3 General technical conditions for instrument packaging 3 Terms and termsbzxz.net
3.1 Electromagnetic wall thickness: The casing wall thickness measured by the electromagnetic induction principle is expressed by phase angle and is called electromagnetic wall thickness. 3.2 Electromagnetic well diameter: The inner diameter of the casing measured by the electromagnetic induction principle is called electromagnetic parallel diameter, and the unit is mi. 4 Models and basic data
4.1 Model
CC89-155A.
4.2 Model meaning
89—155
4.3 Basic parameters
4.3.1 Basic parameters of the lower parallel instrument
Maximum operating temperature
-Outer diameter
The first letter of the Chinese pinyin of the word "magnetic measurement" a, outer diameter 89mm.
b, length 3320mm (excluding upper and lower centralizers), including lower centralizer is 5000mm. C. Number of cores 4.
Approved by the Ministry of Energy of the People's Republic of China on January 15, 1992, implemented on July 1, 1992
SY/T 5428—91
d, instrument mass 80k (excluding upper and lower centralizers), including lower centralizer is 100kg. 4.3.2 Basic parameters of the ground instrument
a, size, length × width × height = 480mm × 410mm × 153mmb, mass 15kg
4.3.3 Basic parameters of the parallel field scaler are shown in Table 1. Table 1
Band-field scaler number
Technical requirements
Environmental conditions of the instrument are shown in Table 2.
Minimum working humidity
Relative humidity
Maximum pressure
Acceleration
Test method
Duration
5.2 Appearance and external assembly quality plate
10~～55
Three-axis frequency sweep
100-150
Three-axis frequency sweep
100~150
5.2.1 The surface of the ground instrument should not have obvious concave and convex marks, scratches, cracks and deformation, the surface coating should not have blistering, cracking and shedding, and the metal parts should not have rust and mechanical damage. 5.2.2 All switches and buttons on the panel should be flexible and reliable. All parts should be installed firmly without looseness. 5.2.3 The function symbols, labels and texts of each part should be correct and clear. 5.2.4 The surface of the instrument should be coated with protective coating, and the joints of each part should be reliably connected and easy to disassemble and assemble. The plugs and sockets of each electrical appliance should have good contact.
5.3 Technical performance
5.3.1 The oscillation frequency of the surface instrument oscillator is 15.87~16.13IIz. After passing through the 55001m relay, the signal amplitude is 7090Vp-pg5.3.2 The oscillation frequency of the downhole instrument oscillator is 20140-~20200Hz. The signal amplitude to the surface instrument through the 5500m cable is 130~180mVp-po
5.3.3 The insulation resistance between each sealed lead and the shell should not be less than 10M2.2
The technical performance of the whole machine is shown in Table 3.
Measuring range (nm)
Resolution
Repeatability
6 Test method
Instruments and equipment used in the test
Electromagnetic wall thickness
Electromagnetic parallel diameter
Casing wall original
Casing inner diameter
Electromagnetic wall
Electromagnetic well diameter
a, digital multimeter: accuracy of five and a half digits.
SY/T 542B—91
b.Digital frequency meter, frequency stability 8=6×10-11/sc.Signal generator: stability +0.011%/hd, two-line oscilloscope, sensitivity 1mV/cm
e, pen recorder, accuracy ±0.25%
127~177.8 single-layer casing
f.Oven: temperature below 100°C, the absolute value of temperature difference is not more than 3°C; temperature above 100°C, the absolute value of temperature difference is not more than 5°C, and the ratio of its volume to the volume of the test piece is not less than 5:1. g.Standard scale (specially made).
h. Megaohmmeter 250V
6.2 Inspection of appearance and external assembly quality
The appearance and external assembly quality of the instrument shall be inspected by daily test method, and the inspection results shall meet the requirements of Article 5.2. 6.3 Technical performance test
6.3.1 Use a two-line oscilloscope to measure the oscillation signal of the power oscillator of the ground instrument, and the period shall be 63.0~62.0ms. 6.3.2 Use a two-line oscilloscope to measure the oscillation signal of the power oscillator of the ground instrument. After passing through 5500m cable, the signal amplitude sent to the downhole instrument shall meet the requirements of Article 5.3.1.
S.3.3 Use a digital frequency meter to measure the oscillation signal of the downhole instrument oscillator, and the frequency shall be within the range of 20140--20200Hz. 6.3.4
Use a two-line oscilloscope to measure the commercial frequency output signal of the downhole instrument. The amplitude after passing through the 5500m cable should meet the requirements of Article 5.3.2. 6.3.5 Use a megohmmeter to measure the insulation resistance between each sealed lead post and the instrument casing. It should meet the requirements of Article 5.3.3. 6.3.6 Technical performance test of the whole machine
6.3.6.1 Test procedure
The test is carried out in the standard calibrator. First connect the instrument, power on and preheat for 30 minutes, and then calibrate the instrument with the well site calibrator. The specific operation process should be specified in the process documents. Then put the No. 1 standard calibrator on the coil system of the downhole instrument (the instrument should be centered in the standard calibrator, the same below) and measure. The measurement results must be within the following range: a. In 1# standard push caliper:
Electromagnetic wall thickness (phase): 63.0°±1.5°Electromagnetic well diameter: 129.0±1.5mm
b. In 2# standard caliper:
SY/T5428-91
Electromagnetic wall thickness (phase)! 60.0°±1.5°Electromagnetic well diameter: 129.2±1.5mm
6.3.6.2 Evaluation of test results
a. Resolution, the instrument is measured in 1# and 2# standard push caliper, the phase difference of the result is 2°~~3°, the inner diameter difference is 0.15~~0.25mm, which meets the requirements of Article 5.3.4.
b, Repeatability, each instrument is measured more than three times in 1# and 2# standard calibrators, and the results should be determined by the following method: 1# standard calibrator (or 2#)
Electromagnetic wall thickness 63.0°±1° (60.0°±1°) Electromagnetic parallel diameter: 129.0±1mm (129.2±1mm)6.4 Temperature test
6.4.1 The temperature test is carried out on the main body of the lower parallel instrument alone. 6.4.2 Test procedure
Connect the main body of the lower parallel instrument (including electronic circuits and coil systems) to the surface instrument through the logging cable, power on and preheat for 30 minutes, calibrate the instrument, and then put it in the oven to start heating. From room temperature to 40°C, keep the temperature constant for 30 minutes. Then from 40°C to 155°C, keep the temperature constant for 30 minutes. Perform performance test on the instrument starting from 40℃. The test method is to use a pen recorder to make continuous records of the entire process. During the heating process, the heating rate should be controlled at 5°C/min. 6.4.3 The test results should meet the requirements of Section 5.3.4. 6.5 Vibration test
6.5.1 This test is carried out on the main body of the ground instrument and the underground instrument separately. 6.5.2 The severity of this test shall comply with the requirements of Section 5.1. The test method shall comply with the provisions of GB6587.4. 6.5.3 No performance test shall be performed during the test. The final test after the test shall be carried out in accordance with the following clauses: a. Ground instrument, in accordance with Sections 6.2, 6.3.1, and 6.3.2 b. Downhole only: in accordance with Sections 6.3.3, 6.3.4, 6.3.5, and 6.3.6. 6.6 Impact test
6.6.1 This test is conducted on the main body of the ground instrument and the lower instrument separately. 6.6.2 The severity of the test shall be in accordance with the requirements of Article 5.1. The test method shall comply with the provisions of GB6587.5. 6.6.3 No performance test shall be conducted during the test. The final test after the test shall be conducted in accordance with the following provisions: a. Ground instrument, in accordance with Articles 6.2, 6.3.1, and 6.3.2. b. Lower instrument: in accordance with Articles 6.3.3, 6.3.4, 6.3.5, and 6.3.6. 6. High temperature pressure test of the lower instrument
6.7.1 The test pressure is 80MPa and the test temperature is 155°C. 6.7.2 The test method shall comply with the provisions of SY5102. 6.7.3 The final test after the test shall be conducted in accordance with Articles 6.2, 6.3.3, 6.3.4, 6.3.5, and 6.3.6. 7 Inspection regulations
7.1 Factory inspection
The instrument shall be fully inspected according to Articles 6.2, 6.3, 6.4 and 6.5 of this standard, and the quality inspection department shall sign the certificate of conformity before it can leave the factory. 7.2 Type inspection
7.2.1 Conditions for type inspection
When one of the following situations occurs, - Generally, type inspection should be carried out a. Trial type identification of new products or old products transferred to the factory for production b. After formal production, if there are major changes in the structure, materials and process, which may affect the product performance, c. During normal production, regular or accumulated production should be inspected periodically 4
d. When the product is stopped for a long time and production is resumed, SY/T 5428-91
e. When the factory inspection results are significantly different from the last type inspection, or when the national quality supervision agency proposes the requirement for type inspection. 7.2.2
The sampling plan for type inspection must comply with the provisions of GB2829. The type inspection items are shown in Table 4.
Appearance and external assembly quality
High temperature and high pressure test
Technical requirements
5.3.3, 5.3.4
Test method
3 Quality judgment and treatment
In the factory inspection, if any item is unqualified, it is allowed to be repaired and re-inspected. If the re-inspection is qualified, it is a qualified product, otherwise it is a unqualified product. 73.1
7, 3.2 If any item in the type inspection is unqualified, it is allowed to be repaired and re-inspected. If the re-inspection is qualified, it is a qualified product and the batch is a qualified batch. Otherwise, the batch can be doubled for sampling inspection. If it is qualified, it is a qualified batch, otherwise it is an unqualified batch. 8 Marking, packaging, storage
8.1 Marking
The instrument must be marked with the following on the panel of the ground instrument: a. Instrument model and name,
b. Manufacturer name:
c. Factory date and product number.
8.2 Packaging
The packaging of the instrument shall comply with the provisions of ZBY003. 8.3 Storage
The storage temperature of the instrument is -30~50°C, and no corrosive gas is allowed in the storage environment. Additional remarks:
This standard was proposed by the Petroleum Instrument and Meter Professional Standardization Committee. This standard was drafted by Chongqing Petroleum Instrument Factory. The main drafters of this standard are Dao Liangjin and Liu Fangjin. 5
This standard is still valid after the review in 199, and the review result has been approved by the State Administration of Petroleum and Chemical Industry.
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