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OfiTE 151-00, Инструкция по эксплуатации

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OfiTE 151-00 Скачать руководство пользователя страница 18

OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com

17

Oil-Based 

Fluids

Whole oil mud (not filtrate) should be analyzed in order to capture all of the 

“active sulfides”. Oil muds consisting of liquid and solid phases contain the 

“active sulfides” and are typically the neutralization products of hydrogen sul

-

fide (H

2

S) and lime plus any unreacted H

2

S. By using a 2M citric acid which 

is a weak acid, inert sulfides (such as solid ZnS, CuS, or PbS) are not mea

-

sured and only active sulfides are analyzed.

Sample Injection Tube

Содержание 151-00

Страница 1: ...s Train Part No 151 00 Instruction Manual Updated 2 18 2020 Ver 5 OFI Testing Equipment Inc 11302 Steeplecrest Dr Houston Texas 77065 U S A Tele 832 320 7300 Fax 713 880 9886 www ofite com Copyright O...

Страница 2: ...ite com 1 Introduction 2 Specifications 2 Components 3 Safety 5 Setup 6 Sulfide Testing 8 Procedure 9 Calculation 11 Carbonates Testing 12 Procedure 13 Calculation 16 Oil Based Fluids 17 Procedure 18...

Страница 3: ...be inserted to determine the presence or absence of sulfides The OFITE Garrett Gas Train consists of a transparent train pressure regula tor assembly CO2 and N2 O cartridges sold separately Dr ger tu...

Страница 4: ...I Flow Meter Tube 151 09 Dr ger Hand Pump 151 10 O ring for Dr ger Pump 151 11 O ring for Flow Meter Tube 151 12 O ring for 2nd and 3rd Chambers 151 13 O ring for 1st Chamber 151 14 Rubber Hose OD 1 1...

Страница 5: ...Papers Package of 100 2 151 01 Dispersion Tube 1 151 02 Dr ger Tube Hydrogen Sulfide 100 1 Range 100 2 000 PPM 2 151 03 Dr ger Tube Hydrogen Sulfide 0 2 A Range 0 2 7 by Volume 2 151 04 Dr ger Tube C...

Страница 6: ...proper packaging due to the possibility of the cabin depres surization Nor should they be exposed to direct sunlight for prolonged peri ods of time Hydrogen sulfide is extremely corrosive so it is imp...

Страница 7: ...that the o ring seals around the tube 5 Place the dispersion tube into chamber 1 Place an o ring into the hole in the lid above chamber 1 Screw the nylon tube holder into the lid just enough to hold...

Страница 8: ...he cartridge inside is punctured For sulfide analysis use CO2 gas For carbonate analysis use N2 O gas 8 Connect the regulator to the dispersion tube with one of the provided rubber hoses Connect the o...

Страница 9: ...n separates the gas from the liquid The gas stream is then passed through a Dr ger tube which responds to H2 S by darkening along its length The length of the darkened strip is proportional to the tot...

Страница 10: ...3 to the Dr ger tube 4 With a filter press collect a sufficient volume of solids free filtrate for analysis If a low concentration of soluble sulfides is to be detected a large volume of filtrate will...

Страница 11: ...fites are present in the sample The orange SO2 region should be ignored when recording the darkened length For more ac curate results the darkened length should fill more than half of the tubes total...

Страница 12: ...3 880 9886 www ofite com 11 Sulfide Testing Calculation Using the measured sample volume the Dr ger tube s maximum darkened length and the Dr ger tube factor from the table calculate the sulfides in t...

Страница 13: ...in converting all carbonates to CO2 which is then evolved by bubbling nitrous oxide gas through the sample The gas train sep arates the gas from the liquid which is collected in a 1 liter gas bag to a...

Страница 14: ...d depress the bellows It will remain depressed if the pump does not leak 2 With the bag now fully collapsed close the stopcock and connect the rub ber tubing from chamber 3 to the closed stopcock Samp...

Страница 15: ...T screw Close the stopcock to seal off the bag 8 Immediately break the tip off each end of the Dr ger tube Remove the rubber hose from the chamber 3 connection and connect the end of the hose to the u...

Страница 16: ...er tube will turn purple Record the stain length in units marked on the Dr ger tube and include any faint blue tinge color that may develop as part of the total stain reading For more accurate results...

Страница 17: ...esting Calculation Calculation Using the measured sample volume the Dr ger tube stain length and the tube factor of 2 5 from the table on page 13 calculate the total soluble carbonates CO2 CO3 2 HCO3...

Страница 18: ...ure all of the active sulfides Oil muds consisting of liquid and solid phases contain the active sulfides and are typically the neutralization products of hydrogen sul fide H2 S and lime plus any unre...

Страница 19: ...the 2M Citric acid demulsifier and isopropanol mixture 151 20 1 into chamber no 1 8 Add 10 drops of octyl defoamer to chamber 1 9 Operate the magnetic stirrer at a moderate speed Carefully lower the d...

Страница 20: ...e flowing for a total of 15 minutes even though the front may attain a diffuse and feathery coloration In the high range tube an orange color caused by SO2 may appear ahead of the black front if sulfi...

Страница 21: ...880 9886 www ofite com 20 Oil Based Fluids Calculation Using the measured sample volume the Dr ger tube s maximum darkened length and the Dr ger tube factor from the table calculate the sulfides in t...

Страница 22: ...mild detergent d Use a pipe cleaner to clean out the passages between the chambers e Wash and rinse the dispersion tube Blow air or CO2 gas through it f Rinse the entire unit with deionized water and...

Страница 23: ...Screw 151 05 Nylon Fitting 151 15 Rubber Septum 151 16 O ring 142 58 Dr ger Tube 151 02 03 04 Flowmeter 151 08 Dispersion Tube 151 01 Chamber 2 3 O ring 151 12 Chamber 1 O ring 151 13 Barrell 143 03...

Страница 24: ...y losses or damages that occur as a result of Improper installation or maintenance of the products Misuse Neglect Adjustment by non authorized sources Improper environment Excessive or inadequate heat...

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