Microbubble workover fluid and preparation method thereof
A workover fluid and micro-bubble technology, which is applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve the problems of poor thermal stability of micro-bubbles, and achieve improved foam stability, foaming ability, and large molecular weight Effect
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Embodiment 1
[0029] Microbubble workover fluid in the present embodiment, by 200g clear water, 0.2g fatty alcohol polyoxyethylene ether AEO 18 , 0.4g Sapinberry extract, 1g xanthan gum, 0.3g thiourea.
[0030] The preparation method of the microbubble workover fluid in the present embodiment is:
[0031] 1) Accurately measure 200 ml of clear water with a graduated cylinder and place it in a 500 ml beaker. Slowly and evenly add 1 g of xanthan gum while stirring, then stir at high speed for 30 minutes at a stirring speed of 3000 r / min. During the stirring process, make xanthan gum Dissolve evenly, fully lift the viscosity, and obtain the mixed solution 1;
[0032] 2) Add 0.4g of Sapindus chinensis extract and 0.2g of fatty alcohol polyoxyethylene ether AEO to the mixed solution 1 obtained in step 1) while stirring 18 , stirred for 10 minutes, the stirring speed was 3000r / min, and mixed evenly to obtain the mixed solution 2;
[0033] 3) Add 0.3 g of thiourea to the mixed solution 2 obtaine...
Embodiment 2
[0035] The microbubble workover fluid in the present embodiment, by 200g clear water, 0.5g fatty alcohol polyoxyethylene ether AEO 18 , 1g Sapinberry extract, 2g xanthan gum, 0.6g thiourea.
[0036] The preparation method of the microbubble workover fluid in the present embodiment is:
[0037] 1) Accurately measure 200ml of water with a measuring cylinder and place it in a 500ml beaker, slowly and evenly add 2g of xanthan gum while stirring, then stir at high speed for 30min at a stirring speed of 3000r / min, during the stirring process, dissolve the xanthan gum Uniform, fully viscous, to obtain the mixed solution 1;
[0038] 2) Add 1g of Sapindus chinensis extract and 0.5g of fatty alcohol polyoxyethylene ether AEO to the mixed solution 1 obtained in step 1) while stirring 18 , stirred for 10 minutes, the stirring speed was 3000r / min, and mixed evenly to obtain the mixed solution 2;
[0039] 3) Add 0.6 g of thiourea to the mixed liquid 2 obtained in step 2) while stirring, ...
Embodiment 3
[0041] The microbubble workover fluid in the present embodiment, by 200g clear water, 1g fatty alcohol polyoxyethylene ether AEO 18 , 1.6g Sapinberry extract, 2g xanthan gum, 0.6g thiourea.
[0042] The preparation method of the microbubble workover fluid in the present embodiment is:
[0043]1) Accurately measure 200ml of water with a measuring cylinder and place it in a 500ml beaker, slowly and evenly add 2g of xanthan gum while stirring, then stir at high speed for 30min at a stirring speed of 3000r / min, during the stirring process, dissolve the xanthan gum Uniform, fully viscous, to obtain the mixed solution 1;
[0044] 2) Add 1.6g of Sapindus chinensis extract and 1g of fatty alcohol polyoxyethylene ether AEO to the mixed solution 1 obtained in step 1) while stirring 18 , stirred for 10 minutes, the stirring speed was 3000r / min, and mixed evenly to obtain the mixed solution 2;
[0045] 3) Add 0.6 g of thiourea to the mixed liquid 2 obtained in step 2) while stirring, s...
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