Hydrogenation heat gas chemical yield increasing solution component applied to shallow well
A chemical stimulation and solution technology, which is applied in drilling compositions, chemical instruments and methods, wellbore/well components, etc., can solve the problems of low liquid production, secondary damage, and small radius of action
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Embodiment 1
[0043] Example 1 Stimulation Operation of No. 1 Shallow Well in Jilin Oilfield
[0044] Well No. 1 is a medium-porosity low-permeability reservoir; artificial well bottom 343.5m; perforation range 220.8-226.0m; casing diameter Before the stimulation operation, the daily liquid production is t, of which the daily oil production is t; the known volume per meter of casing: 8.17 liters / m. From the above data, it can be concluded that the volume of the reaction zone is 1.0025m 3. Prepare No. 1 solution 0.55m 3 , No. 2 solution 0.45m 3 , with a mass of 715kg.
[0045] Solution No. 1 (Fuel Oxidizer) Contains: Ammonium Nitrate NH 4 NO 3 , urea CO(NH 2 ) 2 , Decaborane B 10 h 14 , Glucose C 6 h 12 o 6 , cyclohexamethylenetetramine (CH 2 ) 6 N 4 ,water. The respective mass percentages: 43%, 26%, 8%, 2%, 1.5%, 19.5%; the mass of each component is: ammonium nitrate 307.45kg, urea 185.9kg, decaborane 57.2kg, glucose 14.3kg kg, cyclohexamethylenetetramine 10.725kg, water ...
Embodiment 2
[0049] Example 2 Stimulation Operation of No. 2 Shallow Well in Jilin Oilfield
[0050] Well No. 2 is a medium-porosity low-permeability reservoir; artificial well bottom 312.6m; perforation range 256.0-261.0m; casing diameter Before the stimulation operation, the daily liquid production was 1.6t, of which the daily oil production was 0.7t; the known volume per meter of casing: 8.17 liters / m. From the above data, it can be concluded that the volume of the reaction zone is 1.104m 3 . Prepare No. 1 solution 0.497m 3 , No. 2 solution 0.403m 3 , with a mass of 645.5kg.
[0051] Solution No. 1 (Fuel Oxidizer) Contains: Ammonium Nitrate NH 4 NO 3 , urea CO(NH 2 ) 2 , Decaborane B 10 h 14 , Glucose C 6 h 12 o 6 , cyclohexamethylenetetramine (CH 2 ) 6 N 4 ,water. The respective mass percentages: 42%, 25%, 7%, 1.5%, 1%, 23.5%; the mass of each component is: ammonium nitrate 271.11kg, urea 161.375kg, decaborane 45.185kg, glucose 9.6825 kg, cyclohexamethylenetetramine ...
Embodiment 3
[0055] Example 3 Stimulation Operation of No. 3 Shallow Well in Jilin Oilfield
[0056] Well No. 2 is a medium-porosity low-permeability reservoir; artificial well bottom 351.45m; perforation range 250.8-262.0m; casing diameter Before the stimulation operation, the daily liquid production was 1.6t, of which the daily oil production was 0.7t; the known volume per meter of casing: 8.17 liters / m. From the above data, it can be concluded that the volume of the reaction zone is 0.815m 3 . Prepare No. 1 solution 0.386m 3 , No. 2 solution 0.314m 3 , with a mass of 501.8kg.
[0057] Solution No. 1 (Fuel Oxidizer) Contains: Ammonium Nitrate NH 4 NO 3 , urea CO(NH 2 ) 2 , Decaborane B 10 h 14 , Glucose C 6 h 12 o 6 , cyclohexamethylenetetramine (CH 2 ) 6 N 4 ,water. The respective mass percentages: 37%, 23%, 5%, 1%, 0.5%, 33.5%; the mass of each component is: ammonium nitrate 185.6kg, urea 115.41kg, decaborane 25.09kg, glucose 5.02 kg, 2.51kg of cyclohexamethylenetetr...
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