CN101186813A - Fast drilling fluid and preparation technique thereof - Google Patents
Fast drilling fluid and preparation technique thereof Download PDFInfo
- Publication number
- CN101186813A CN101186813A CNA2007103044834A CN200710304483A CN101186813A CN 101186813 A CN101186813 A CN 101186813A CN A2007103044834 A CNA2007103044834 A CN A2007103044834A CN 200710304483 A CN200710304483 A CN 200710304483A CN 101186813 A CN101186813 A CN 101186813A
- Authority
- CN
- China
- Prior art keywords
- mass fraction
- agent
- fast
- drilling fluid
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a rapid drilling fluid, of which the component proportion according to mass parts comprises 3-5 parts of sodium soil, 0.2-0.3 part of organosilicate semipermeable membrane agent, 1-3 parts of modified starch filtrate reducer, 1.5-2.5 parts of sulfonated-methyl brown coal, 0.2-0.3 part of zwitterions encrusting agent, 0.2-0.5 part of rapid drilling agent and 90-100 parts of water. The rapid drilling fluid is water based drilling fluid by which drilling speed is greatly increases. Simultaneously, the drilling cost is low, no mud drum is produced in drilling process, and the drilling performance and the well wall are stable.
Description
Technical field
The present invention relates to the drilling technique field, particularly a kind of fast drilling fluid (inhibitor) and manufacturing process.
Background technology
Continuous expansion along with the oil-gas exploration and development field, the stratum that runs in the drilling process becomes increasingly complex, well is more and more darker, the complexcase of down-hole are difficult to expect especially, the difficulty of handling is also increasing, deep well high pressure bores down meets the hardpan mud shale, soft shale, when sticking shale and swelling shale, this class stratum is easy to the generation that hydration swelling causes the down-hole complex accident, especially at western deep drilling, it is particularly outstanding bore to meet in strong stress structure and the big section mud shale well section process performance of borehole well instability problem in front of the mountains, simultaneously, the drilling cuttings that gets out has very strong adhesion property, strengthened the bounding force of drilling cuttings with the bit face that contacts to a great extent, caused bit balling to increase moment of torsion, the bit face of mud drum has been born part the pressure of the drill simultaneously, the depth of cut of restriction drill bit, thus drilling speed reduced; Large size well section, deep-well deep well section and high density drilling fluid rate of penetration have become slowly at present influences one of the major technique of exploratory development speed bottleneck.
Drilling speed is the key factor that influences the exploration and development benefit, improves drilling speed and can reduce drilling cost significantly, accelerates the exploratory development process, and improving drilling speed is the problem that presses for solution in the deep-well ultra deep well drilling process.Simultaneously, the raising of drilling speed can reduce the time that drilling fluid is invaded the bubble hydrocarbon zone, reduces drilling fluid to reservoir damage caused, helps finding hydrocarbon zone and increases substantially recovery ratio.Therefore, develop a cover and can clean the drilling liquid technology system that drill bit improves rate of penetration, have very important meaning for improving oil gas well exploration and development benefit.
At present, the fast drilling fluid technology has been made number of research projects both at home and abroad, except oil base drilling fluid, water base fast drilling fluid mostly is classes such as polyvalent alcohol (polyoxyethylene glycol, polyglycerol, MEG), silicate greatly, though on drill speed, increase, but on overall, the drilling cost height also exists the problem of bit balling, drilling well performance and borehole wall stability aspect.
Summary of the invention
Main purpose of the present invention is to address the above problem, and a kind of fast drilling fluid is provided, and this fast drilling fluid is a water-base drilling fluid, use this fast drilling fluid, on drill speed, improve a lot, simultaneously, drilling cost is low, does not have mud drum to produce drilling well performance and wellbore stability in the drilling process.
In order to achieve the above object, technical scheme provided by the invention is: a kind of fast drilling fluid, this fast drilling fluid proportion of composing comprise that the sodium soil of mass fraction 3-5 part, the semi-transparent film of organosilicate of mass fraction 0.2-0.3 part, the modified starch series of mass fraction 1-3 part are the water that creeps into agent and mass fraction 90-100 part fast of 0.2-0.5 part with the sulfonated-methyl brown coal of fluid loss agents, mass fraction 1.5-2.5 part, zwitter-ion coating agent, the mass fraction that mass fraction is 0.2-0.3 part.
The semi-transparent film of organosilicate wherein self proportion of composing comprises the concentration 5-10% potassium hydroxide of silicic acid, mass fraction 40-110 part of the concentration 10-30% of mass fraction 60-140 part glycerine, mass fraction 60-140 part and the clear water of mass fraction 70-150 part (what the mass fraction of the semi-transparent film of organosilicate described is the semi-transparent film of this organosilicate self proportion of composing, can be with fast drilling fluid, creep into the normal content non-equivalence of the mass fraction of agent fast).
The manufacturing process of the semi-transparent film of this organosilicate is:
1) takes by weighing the silicic acid of the 10-30% of mass fraction 60-140 part glycerine, mass fraction 60-140 part, the concentration 5-10% potassium hydroxide of mass fraction 40-110 part and the clear water of mass fraction 70-150 part and put into reactor, stir;
2) above-mentioned solution is heated to 60-140 ℃, stirred 1-8 hour.
Wherein, creep into the phosphoric acid of the concentration 30-50% of water, mass fraction 24-36 part that the agent proportion of composing comprises mass fraction 80-120 part vegetable-protein, mass fraction 160-240 part, the divinyl polyamines of mass fraction 40-60 part, the sulphonating agent and the pH value conditioning agent of mass fraction 16-24 part fast.
The manufacturing process of creeping into agent fast is:
1) take by weighing mass fraction 80-120 part vegetable-protein and add in mass fraction 160-240 part water, leave standstill 100-140 minute at normal temperatures after, under constant temperature 45-55 ℃ condition, vibration is evenly;
2) above-mentioned solution water-bath being heated to 50-70 ℃, is 7-9 with pH regulator agent regulator solution pH value;
3) take by weighing the phosphoric acid of mass fraction 24-36 part concentration 30-50%, splash into constant temperature stirring reaction 80-100 minute;
4) above-mentioned solution is cooled to 30-40 ℃, takes by weighing mass fraction 16-24 part sulphonating agent, splash into constant temperature stirring reaction 60-80 minute;
5) with pH regulator agent regulator solution pH value 7-9;
6) take by weighing the divinyl polyamines of mass fraction 40-60 part, add above-mentioned solution, generate with above-mentioned solution polycondensation at 50-70 ℃ and creep into agent fast.
Sulphonating agent is an oleum; The pH value conditioning agent is the aqueous sodium hydroxide solution of concentration 30-50%.
The principle of work of fast drilling fluid of the present invention and beneficial effect:
Two important component parts of above-mentioned fast drilling fluid are by the semi-transparent film of organosilicate and creep into agent fast, two patents that these two products are being declared for my institute, wherein, the semi-transparent film of organosilicate is the molecular structure that utilizes silicate, utilize simple acid-base reaction, on its molecular chain grafting organic carbochain, be glycerine, changed its rheological property, the semi-transparent film of the organosilicate that obtains is to the hydration swelling of mud shale, disperse to have strong restraining effect, can prevent slump in, reducing down hole problem, is a kind of potent inhibitor of excellent property, and its inhibition ability is better than potassium formiate, inorganic silicate, Repone K, polymer inhibitor etc.And creep into agent fast, and with protein raw material, behind grafting phosphate on its molecular side chain, again it is carried out sulfonation to handle, then with the polyethylene polyamine polycondensation, increase the length of its hydrocarbyl chain, improve the hydrophobic performance after its absorption; This creeps into agent fast and is adsorbed on rock, landwaste surface and is penetrated into hole inside, changes the contact angle of water at rock surface, makes rock, landwaste surface and internal pore surface wettability thereof realize being transformed to the oleophylic direction by hydrophilic; Reduce the surface tension of rock surface and hole inside, reduce capillary force, stop drilling cuttings to adhere to drill bit and phase-contact surface; Can effectively increase metallic surface coefficient of friction resistance reduced rate, the metallic surface oilness is increased substantially; Can effectively remove micron and submicron particle, this creeps into agent fast can improve deep-well ultra deep well drilling speed, thereby reduces the exploratory development cost, reduces development risk, protection hydrocarbon zone, the recovery ratio that improves.
In addition, because the effect of zwitter-ion coating agent is that organism cation group, anionic group and non-ionic group are introduced on the same molecular chain, and can adjust Molecular Structure Design according to the requirement of drilling engineering, strata condition, reach required mud property; The impermeable of sodium soil worked; Modified starch series prevents fluid loss agents the leak-off of the borehole wall; Anti-salt, anticalcium, the high temperature resistance of sulfonated-methyl brown coal and fall performances such as leak-off.
Integrate, fast drilling fluid of the present invention improves a lot on drill speed, and simultaneously, drilling cost is low, does not have mud drum to produce drilling well performance and wellbore stability in the drilling process.
Embodiment:
Embodiment 1: a kind of fast drilling fluid, this fast drilling fluid comprise that the modified starch series of 2 parts of the semi-transparent film of organosilicate, mass fractions of 0.25 part of sodium soil, the mass fraction of 4 parts of mass fractions is 0.35 part the water that creeps into 95 parts of agent and mass fractions fast with the sulfonated-methyl brown coal (outsourcing) of 2 parts of fluid loss agents (outsourcing), mass fraction, zwitter-ion coating agent (outsourcing), mass fraction that mass fraction is 0.25 part; Above-mentioned each component is mixed, fast drilling fluid.
The semi-transparent film proportion of composing of organosilicate wherein comprises the clear water of 120 parts of concentration 5% potassium hydroxide of 70 parts of 20% silicic acid, mass fractions of 100 parts of 100 parts of glycerine of mass fraction, mass fraction and mass fractions;
The manufacturing process of the semi-transparent film of this organosilicate is:
1) takes by weighing above component and put into reactor, stir;
2) above-mentioned solution is heated to 100 ℃, stirs 8h.
Wherein, the proportion of composing that creeps into agent fast comprises the sulphonating agent oleum of 20 parts of divinyl polyamines, mass fractions of 50 parts of phosphoric acid, mass fractions of concentration 40% of 30 parts of water, mass fractions of 200 parts of 100 parts of vegetable-proteins of mass fraction, mass fraction and the aqueous sodium hydroxide solution of pH value modifier concentration 40%.
Synthetic this manufacturing process of creeping into agent fast is:
1) take by weighing 100 parts of vegetable-proteins of mass fraction and add in 200 parts of water of mass fraction, leave standstill 120 minutes at normal temperatures after, under the condition of 50 ℃ of constant temperature, vibration is evenly;
2) above-mentioned solution water-bath being heated to 60 ℃, is 8 with pH regulator agent regulator solution pH value;
3) take by weighing the phosphoric acid of 30 parts of concentration 40% of mass fraction, splash into constant temperature stirring reaction 90 minutes;
4) above-mentioned solution is cooled to 35 ℃, takes by weighing 20 parts of sulphonating agents of mass fraction, splash into constant temperature stirring reaction 70 minutes;
5) with pH regulator agent regulator solution pH value 8;
6) take by weighing the divinyl polyamines of 50 parts of mass fractions, add above-mentioned solution, generate with above-mentioned solution polycondensation at 60 ℃ and creep into agent fast.
Performance test:
One, heat-resisting property
The gained fast drilling fluid is carried out weathering test according to ZB/TE13 004-90 drilling fluid test procedure, after the test differing temps is aging,, and will writes down the result and insert table 1 influence of drilling fluid rheology and leak-off.
As shown in Table 1, the influence of fast drilling fluid rheological and leak-off is not obvious.
Two, antifouling property
1, anti-cuttings contamination performance test
Add difference successively and measured 100 purpose drilling cuttings powder in fast drilling fluid, height stirs 20
| Project | Temperature ℃ | Aging conditions (16h) | Plastic viscosity mPa.s | Yield value Pa | Gel strength (10 minutes/10 seconds Pa/Pa | Filter loss mL | High temperature and high pre ssure filtration mL | The pH value |
| 25 | Before heat is rolled | 15 | 2.5 | 1/2 | 4.6 | 10 | 9 | |
| 1 | 120 | After heat is rolled | 16 | 2.5 | 2/5 | 4.6 | 12 | 9 |
| 2 | 150 | After heat is rolled | 17.5 | 2.5 | 2/3 | 4.4 | 12 | 9 |
| 3 | 180 | After heat is rolled | 12 | 8 | 2/4 | 5 | 16 | 9 |
Table 1 fast drilling fluid heat-resisting property minute, the digestion tank of packing into rolled 16 hours in 120 ℃ of following heat, measure heat roll before and after the performance of fast drilling fluid.Test-results sees Table 2.
| Sequence number | Drilling cuttings % | Before heat is rolled | After heat is rolled | ||||||||
| Apparent viscosity mPa. S | Plastic viscosity mPa. S | Yield value Pa | Filter amount mL | pH | Apparent viscosity mPa. S | Plastic viscosity mPa.s | Yield value Pa | Filter amount mL | pH | ||
| 1 | 0 | 17.5 | 15 | 2.5 | 5 | 9 | 24 | 21 | 3 | 4.8 | 9 |
| 2 | 5 | 19.5 | 16 | 3.5 | 4.4 | 9 | 25.5 | 21 | 4.5 | 3.8 | 9 |
| 3 | 10 | 21.5 | 18 | 3.5 | 4.8 | 9 | 26 | 21 | 5 | 2.8 | 9 |
| 4 | 15 | 22.5 | 19 | 3.5 | 4.4 | 9 | 28 | 23 | 5 | 3.6 | 9 |
| 5 | 20 | 25 | 20 | 5 | 4 | 9 | 30 | 24 | 6 | 2.8 | 9 |
The antifouling property of table 2 fast drilling fluid drilling fluid
Result from table 2 as can be seen, apparent viscosity AV, the plastic viscosity PV of drilling fluid system increased to some extent along with the increase of drilling cuttings powder before and after heat was rolled, but increasing degree is within acceptable scope.Filter loss API is than good before aging.Illustrate that this rapid drilling liquid system has stronger anti-cuttings contamination ability.
2, anti-salt, anticalcium performance
Add different sodium-chlor and the calcium chloride of measuring successively at fast drilling fluid, height stirred 20 minutes, and the digestion tank of packing into rolled 16 hours in 120 ℃ of following heat, measured the performance that heat is rolled the front and back drilling fluid, and the result fills in a form 3,4.
| Sequence number | Sodium-chlor % | Before heat is rolled | After heat is rolled | ||||||||
| Apparent viscosity mPa. S | Plastic viscosity mPa. S | Yield value Pa | Filter amount mL | pH | Apparent viscosity mPa. S | Plastic viscosity mPa. S | Yield value Pa | Filter amount mL | pH | ||
| 1 | 0 | 17.5 | 15 | 2.5 | 5 | 9 | 24 | 21 | 3 | 4.8 | 9 |
| 2 | 2 | 19.5 | 16 | 3.5 | 4.4 | 9 | 25.5 | 21 | 4.5 | 3.8 | 9 |
| 3 | 5 | 22 | 15 | 7 | 4.8 | 9 | 28 | 22 | 6.0 | 4.8 | 9 |
Table 3 NaCl is to the fast drilling fluid Effect on Performance
Test-results sees Table 3,4, and the result can find out that AV, PV all increased to some extent, also corresponding increase after heat is rolled when this fast drilling fluid was subjected to sodium-chlor, calcium chloride pollution from table.The API filtration rangeability is less, and the anti-salt of drilling fluid reaches 5%, anticalcium reaches 1.5%.The fast drilling fluid compatibleness is good.
To sum up, the semi-transparent film of the organosilicate in this fast drilling fluid is the molecular structure that utilizes silicate, utilizes simple acid-base reaction, on its molecular chain grafting organic carbochain, promptly glycerine has changed its rheological property, the semi-transparent film of the organosilicate that obtains is to the mud page or leaf
| Sequence number | Calcium chloride % | Before heat is rolled | After heat is rolled | ||||||||
| Apparent viscosity mPa S | Plastic viscosity mPas | Yield value Pa | Filter amount ml | pH | Apparent viscosity mPas | Plastic viscosity mPas | Yield value P a | Filter amount ml | pH | ||
| 1 | 0 | 17.5 | 15 | 2.5 | 5 | 9 | 24 | 21 | 3 | 4.8 | 9 |
| 2 | 0.5 | 23 | 18 | 5 | 4.6 | 9 | 28 | 24 | 4 | 4.0 | 9 |
| 3 | 1 | 26 | 20 | 6 | 4.2 | 9 | 30 | 24 | 6 | 4.4 | 9 |
| 4 | 1.5 | 27.5 | 23 | 4.5 | 4.4 | 9 | 32.5 | 26 | 5 | 4.2 | 9 |
Table 4 CaCl
2The hydration swelling that influences rock, dispersion to property of drilling fluid have strong restraining effect, can prevent slump in, reducing down hole problem, is a kind of potent inhibitor of excellent property, and its inhibition ability is better than potassium formiate, inorganic silicate, Repone K, polymer inhibitor etc.; And creep into agent fast, and with protein raw material, behind grafting phosphate on its molecular side chain, again it is carried out sulfonation to handle, then with the polyethylene polyamine polycondensation, increase the length of its hydrocarbyl chain, improve the hydrophobic performance after its absorption; This creeps into agent fast and is adsorbed on rock, landwaste surface and is penetrated into hole inside, changes the contact angle of water at rock surface, makes rock, landwaste surface and internal pore surface wettability thereof realize being transformed to the oleophylic direction by water; Reduce the surface tension of rock surface and hole inside, reduce capillary force, stop drilling cuttings to adhere to drill bit and phase-contact surface; Can effectively increase metallic surface coefficient of friction resistance reduced rate, the metallic surface oilness is increased substantially; Can effectively remove micron and submicron particle, this creeps into agent fast can improve deep-well ultra deep well drilling speed, thereby reduces the exploratory development cost, reduces development risk, protection hydrocarbon zone, the recovery ratio that improves; In addition, because the effect of zwitter-ion coating agent is that organism cation group, anionic group and non-ionic group are introduced on the same molecular chain, and can adjust Molecular Structure Design according to the requirement of drilling engineering, strata condition, reach required mud property; The impermeable of sodium soil worked; Modified starch series prevents fluid loss agents the leak-off of the borehole wall; Anti-salt, anticalcium, the high temperature resistance of sulfonated-methyl brown coal and fall performances such as leak-off; The compatibility of ingredient is capable good, integrates, and fast drilling fluid of the present invention improves a lot on drill speed, and simultaneously, drilling cost is low, does not have mud drum to produce drilling well performance and wellbore stability in the drilling process.
Embodiment 2: a kind of fast drilling fluid, this fast drilling fluid proportion of composing comprise that the modified starch series of 1 part of the semi-transparent film of organosilicate, mass fraction of 0.2 part of sodium soil, the mass fraction of 3 parts of mass fractions is 0.2 part the water that creeps into 90 parts of agent and mass fractions fast with the sulfonated-methyl brown coal (outsourcing) of 1.5 parts of fluid loss agents (outsourcing), mass fraction, zwitter-ion coating agent (outsourcing), mass fraction that mass fraction is 0.2 part.
The semi-transparent film proportion of composing of organosilicate wherein comprises the clear water of 150 parts of concentration 10% potassium hydroxide of 110 parts of 10% silicic acid, mass fractions of 140 parts of 60 parts of glycerine of mass fraction, mass fraction and mass fractions; The manufacturing process of the semi-transparent film of this organosilicate is:
1) takes by weighing above component and put into reactor, stir;
2) above-mentioned solution is heated to 60 ℃, stirs 1h.
Wherein, the proportion of composing that creeps into agent fast is overall identical with embodiment 1 with technology, and difference from Example 1 is: this creeps into agent fast and comprises the sulphonating agent oleum of 16 parts of divinyl polyamines, mass fractions of 40 parts of phosphoric acid, mass fractions of concentration 30% of 24 parts of water, mass fractions of 160 parts of 80 parts of vegetable-proteins of mass fraction, mass fraction and the aqueous sodium hydroxide solution of pH value modifier concentration 30%.
Repeat the experiment of embodiment 1, obtain a result, conclusion is identical.
Embodiment 3: a kind of fast drilling fluid, this fast drilling fluid comprise that the modified starch series of 3 parts of the semi-transparent film of organosilicate, mass fractions of 0.3 part of sodium soil, the mass fraction of 5 parts of mass fractions is 0.5 part the water that creeps into 100 parts of agent and mass fractions fast with the sulfonated-methyl brown coal (outsourcing) of 2.5 parts of fluid loss agents (outsourcing), mass fraction, zwitter-ion coating agent (outsourcing), mass fraction that mass fraction is 0.3 part.
The semi-transparent film proportion of composing of organosilicate wherein comprises the clear water of 70 parts of concentration 8% potassium hydroxide of 40 parts of 30% silicic acid, mass fractions of 60 parts of 140 parts of glycerine of mass fraction, mass fraction and mass fractions; The manufacturing process of the semi-transparent film of this organosilicate is:
1) takes by weighing above component and put into reactor, stir;
2) above-mentioned solution is heated to 140 ℃, stirs 4h.
Wherein, the proportion of composing that creeps into agent fast is overall identical with embodiment 1 with technology, and difference from Example 1 is: this creeps into agent fast and comprises the sulphonating agent oleum of 24 parts of divinyl polyamines, mass fractions of 60 parts of phosphoric acid, mass fractions of concentration 50% of 36 parts of water, mass fractions of 240 parts of 120 parts of vegetable-proteins of mass fraction, mass fraction and the aqueous sodium hydroxide solution of pH value modifier concentration 50%.
The experiment of embodiment 1 is obtained a result, conclusion is identical.
Embodiment 4: a kind of fast drilling fluid, this fast drilling fluid comprise that the modified starch series of 1 part of the semi-transparent film of organosilicate, mass fraction of 0.3 part of sodium soil, the mass fraction of 4 parts of mass fractions is 0.5 part the water that creeps into 100 parts of agent and mass fractions fast with the sulfonated-methyl brown coal (outsourcing) of 2.5 parts of fluid loss agents (outsourcing), mass fraction, zwitter-ion coating agent (outsourcing), mass fraction that mass fraction is 0.2 part.
The semi-transparent film of organosilicate wherein is with embodiment 1.
Wherein, the proportion of composing that creeps into agent fast is overall identical with embodiment 1 with technology, and difference from Example 1 is: this creeps into agent fast and comprises the sulphonating agent oleum of 20 parts of divinyl polyamines, mass fractions of 40 parts of phosphoric acid, mass fractions of concentration 40% of 30 parts of water, mass fractions of 240 parts of 80 parts of vegetable-proteins of mass fraction, mass fraction and the aqueous sodium hydroxide solution of pH value modifier concentration 40%; In the manufacturing process 1) take by weighing 80 parts of vegetable-proteins of mass fraction and add in 240 parts of water of mass fraction, leave standstill 100 minutes at normal temperatures after, under the condition of 45 ℃ of constant temperature, vibration is evenly; 2) above-mentioned solution water-bath being heated to 50 ℃, is 7 with pH regulator agent regulator solution pH value; 3) take by weighing the phosphoric acid of 30 parts of concentration 40% of mass fraction, splash into constant temperature stirring reaction 80 minutes; 4) above-mentioned solution is cooled to 30 ℃, takes by weighing 20 parts of sulphonating agents of mass fraction, splash into constant temperature stirring reaction 60 minutes; 5) with pH regulator agent regulator solution pH value 7; 6) creep into agent at 50 ℃ fast with above-mentioned solution polycondensation generation.
Repeat the experiment of embodiment 1, obtain a result, conclusion is identical.
Embodiment 5: a kind of fast drilling fluid, totally with embodiment 4, difference from Example 4 is: this creeps into the agent proportion of composing fast and comprises the sulphonating agent oleum of 20 parts of divinyl polyamines, mass fractions of 40 parts of phosphoric acid, mass fractions of concentration 40% of 30 parts of water, mass fractions of 160 parts of 120 parts of vegetable-proteins of mass fraction, mass fraction and the aqueous sodium hydroxide solution of pH value modifier concentration 40%; In the manufacturing process 1) take by weighing 120 parts of vegetable-proteins of mass fraction and add in 160 parts of water of mass fraction, leave standstill 140 minutes at normal temperatures after, under the condition of 55 ℃ of constant temperature, vibration is evenly; 2) above-mentioned solution water-bath being heated to 70 ℃, is 9 with pH regulator agent regulator solution pH value; 3) take by weighing the phosphoric acid of 30 parts of concentration 40% of mass fraction, splash into constant temperature stirring reaction 100 minutes; 4) above-mentioned solution is cooled to 50 ℃, takes by weighing 20 parts of sulphonating agents of mass fraction, splash into constant temperature stirring reaction 80 minutes; 6) creep into agent at 70 ℃ fast with above-mentioned solution polycondensation generation;
5) with pH regulator agent regulator solution pH value 9.
Repeat the experiment of embodiment 1, obtain a result, conclusion is identical.
Above fast drilling fluid telling Kazakhstan, the 4 mouthfuls of aboveground test in places of carrying out in oil field, Tarim Basin, has been obtained significant effect.
1, breathe out the oil field and connect 23 wells telling: 2495-2510 rice well section adds embodiment 5 fast drilling fluids in polymer mud, rate of penetration increases to 5.71m/h by 4.78m/h, drilling speed raising 19.62%; Add embodiment 4 fast drilling fluids in the 2600-2670 rice well Duan Zaiju sulphur mud, drilling speed improves 5.57%.
2, wheel Nan635Jing in oil field, Tarim Basin adds embodiment 3 fast drilling fluids:
Wheel Nan635Jing and offset well wheel Nan633Jing, wheel south 634 belong to same block, well tectonic structure, pressure factor basically identical; Hole structure is in full accord, make-up of string wheel Nan634Jing has increased screw rod; The bit type selection basically identical.Take turns southern 635 wells machinery average drilling speed and improve 132.6% than wheel Nan633Jing, Nan634Jing improves 56% than wheel.
3,723 wells add embodiment 2 fast drilling fluids in the tower of oil field, Tarim Basin: 722 wells improve 276.8% in the neighbour headframe of mechanical average drilling speed, and 8 wells improve 276.2% in the neighbour headframe.
5, wheel Dong1Jing in oil field, Tarim Basin adds embodiment 1 fast drilling fluid: compare with offset well grass 4 wells, rate of penetration improves drilling speed 60%.
In sum, provided by the inventionly provide a kind of fast drilling fluid, the semi-transparent film of organosilicate in this fast drilling fluid is the molecular structure that utilizes silicate, utilize simple acid-base reaction, on its molecular chain grafting organic carbochain, be glycerine, changed its rheological property, the semi-transparent film of the organosilicate that obtains, hydration swelling to mud shale, disperse to have strong restraining effect, can prevent slump in, reduce down hole problem, be a kind of potent inhibitor of excellent property, its inhibition ability is better than potassium formiate, inorganic silicate, Repone K, polymer inhibitor etc.; And creep into agent fast, and with protein raw material, behind grafting phosphate on its molecular side chain, again it is carried out sulfonation to handle, then with the polyethylene polyamine polycondensation, increase the length of its hydrocarbyl chain, improve the hydrophobic performance after its absorption; This creeps into agent fast and is adsorbed on rock, landwaste surface and is penetrated into hole inside, changes the contact angle of water at rock surface, makes rock, landwaste surface and internal pore surface wettability thereof realize being transformed to the oleophylic direction by water; Reduce the surface tension of rock surface and hole inside, reduce capillary force, stop drilling cuttings to adhere to drill bit and phase-contact surface; Can effectively increase metallic surface coefficient of friction resistance reduced rate, the metallic surface oilness is increased substantially; Can effectively remove micron and submicron particle, this creeps into agent fast can improve deep-well ultra deep well drilling speed, thereby reduces the exploratory development cost, reduces development risk, protection hydrocarbon zone, the recovery ratio that improves; In addition, because the effect of zwitter-ion coating agent is that organism cation group, anionic group and non-ionic group are introduced on the same molecular chain, and can adjust Molecular Structure Design according to the requirement of drilling engineering, strata condition, reach required mud property; The impermeable of sodium soil worked; Modified starch series prevents fluid loss agents the leak-off of the borehole wall; Anti-salt, anticalcium, the high temperature resistance of sulfonated-methyl brown coal and fall performances such as leak-off; The compatibility of ingredient is capable good.Integrate, fast drilling fluid of the present invention improves a lot on drill speed, and simultaneously, drilling cost is low, does not have mud drum to produce drilling well performance and wellbore stability in the drilling process.
Claims (7)
1. fast drilling fluid, it is characterized in that: this fast drilling fluid proportion of composing comprises that the sodium soil of mass fraction 3-5 part, the semi-transparent film of organosilicate of mass fraction 0.2-0.3 part, the modified starch series of mass fraction 1-3 part are the water that creeps into agent and mass fraction 90-100 part fast of 0.2-0.5 part with the sulfonated-methyl brown coal of fluid loss agents, mass fraction 1.5-2.5 part, zwitter-ion coating agent, the mass fraction that mass fraction is 0.2-0.3 part.
2. fast drilling fluid according to claim 1 is characterized in that: the semi-transparent film of described organosilicate self proportion of composing comprises the silicic acid of the concentration 10-30% of mass fraction 60-140 part glycerine, mass fraction 60-140 part, the concentration 5-10% potassium hydroxide of mass fraction 40-110 part and the clear water of mass fraction 70-150 part.
3. the manufacturing process of the synthetic semi-transparent film of organosilicate as claimed in claim 2 is characterized in that:
1) takes by weighing the silicic acid of the 10-30% of mass fraction 60-140 part glycerine, mass fraction 60-140 part, the concentration 5-10% potassium hydroxide of mass fraction 40-110 part and the clear water of mass fraction 70-150 part and put into reactor, stir;
2) above-mentioned solution is heated to 60-140 ℃, stirred 1-8 hour.
4. fast drilling fluid according to claim 1 is characterized in that: described self proportion of composing that creeps into agent fast comprises the phosphoric acid, the divinyl polyamines of mass fraction 40-60 part, the sulphonating agent and the pH value conditioning agent of mass fraction 16-24 part of concentration 30-50% of water, mass fraction 24-36 part of mass fraction 80-120 part vegetable-protein, mass fraction 160-240 part.
5. one kind is synthesized manufacturing process of creeping into agent fast as claimed in claim 4, it is characterized in that:
1) take by weighing mass fraction 80-120 part vegetable-protein and add in mass fraction 160-240 part water, leave standstill 100-140 minute at normal temperatures after, under constant temperature 45-55 ℃ condition, vibration is evenly;
2) above-mentioned solution water-bath being heated to 50-70 ℃, is 7-9 with pH regulator agent regulator solution pH value;
3) take by weighing the phosphoric acid of mass fraction 24-36 part concentration 30-50%, splash into constant temperature stirring reaction 80-100 minute;
4) above-mentioned solution is cooled to 30-40 ℃, takes by weighing mass fraction 16-24 part sulphonating agent, splash into constant temperature stirring reaction 60-80 minute;
5) with pH regulator agent regulator solution pH value 7-9;
6) take by weighing the divinyl polyamines of mass fraction 40-60 part, add above-mentioned solution, generate with above-mentioned solution polycondensation at temperature 50-70 ℃ and creep into agent fast.
6. manufacturing process according to claim 4 is characterized in that: described sulphonating agent is an oleum.
7. according to claim 4ly creep into agent fast, it is characterized in that: described pH value conditioning agent is the aqueous sodium hydroxide solution of concentration 30-50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103044834A CN101186813A (en) | 2007-12-28 | 2007-12-28 | Fast drilling fluid and preparation technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103044834A CN101186813A (en) | 2007-12-28 | 2007-12-28 | Fast drilling fluid and preparation technique thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101186813A true CN101186813A (en) | 2008-05-28 |
Family
ID=39479434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103044834A Pending CN101186813A (en) | 2007-12-28 | 2007-12-28 | Fast drilling fluid and preparation technique thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101186813A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892036A (en) * | 2010-08-09 | 2010-11-24 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Process for preparing drilling fluid for preventing polycrystalline diamond compact (PDC) bit balling |
| CN102399549A (en) * | 2010-09-15 | 2012-04-04 | 中国石油天然气集团公司 | Rock breaking agent for stabilizing well walls and preparation method thereof |
| CN102827590A (en) * | 2012-09-20 | 2012-12-19 | 湖北龙海化工有限公司 | High-efficiency semi-permeable membrane inhibitor for drilling fluid and preparation method thereof |
| CN103031117A (en) * | 2011-09-29 | 2013-04-10 | 中国海洋石油总公司 | Oilfield drilling accelerant |
| CN104558216A (en) * | 2013-10-27 | 2015-04-29 | 中国石油化工集团公司 | Kneading preparation method and application method of high-hydrophobicity modified starch |
| CN105219363A (en) * | 2014-06-20 | 2016-01-06 | 成都棕通石油配件有限公司 | Fast drilling mud |
| CN106543990A (en) * | 2015-09-23 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of drilling fluid for improving mud stone rate of penetration and its preparation method and application |
| CN108517201A (en) * | 2018-03-28 | 2018-09-11 | 方建波 | A kind of preparation method of the high compound tackifier of anticalcium type |
-
2007
- 2007-12-28 CN CNA2007103044834A patent/CN101186813A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892036A (en) * | 2010-08-09 | 2010-11-24 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Process for preparing drilling fluid for preventing polycrystalline diamond compact (PDC) bit balling |
| CN101892036B (en) * | 2010-08-09 | 2012-12-12 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Process for preparing drilling fluid for preventing polycrystalline diamond compact (PDC) bit balling |
| CN102399549A (en) * | 2010-09-15 | 2012-04-04 | 中国石油天然气集团公司 | Rock breaking agent for stabilizing well walls and preparation method thereof |
| CN102399549B (en) * | 2010-09-15 | 2013-07-03 | 中国石油天然气集团公司 | Rock breaking agent for stabilizing well walls and preparation method thereof |
| CN103031117B (en) * | 2011-09-29 | 2014-07-16 | 中国海洋石油总公司 | Oilfield drilling accelerant |
| CN103031117A (en) * | 2011-09-29 | 2013-04-10 | 中国海洋石油总公司 | Oilfield drilling accelerant |
| CN102827590B (en) * | 2012-09-20 | 2014-02-26 | 湖北龙海化工有限公司 | High-efficiency semi-permeable membrane inhibitor for drilling fluid and preparation method thereof |
| CN102827590A (en) * | 2012-09-20 | 2012-12-19 | 湖北龙海化工有限公司 | High-efficiency semi-permeable membrane inhibitor for drilling fluid and preparation method thereof |
| CN104558216A (en) * | 2013-10-27 | 2015-04-29 | 中国石油化工集团公司 | Kneading preparation method and application method of high-hydrophobicity modified starch |
| CN105219363A (en) * | 2014-06-20 | 2016-01-06 | 成都棕通石油配件有限公司 | Fast drilling mud |
| CN106543990A (en) * | 2015-09-23 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of drilling fluid for improving mud stone rate of penetration and its preparation method and application |
| CN106543990B (en) * | 2015-09-23 | 2019-10-29 | 中国石油化工股份有限公司 | A kind of drilling fluid and its preparation method and application improving mud stone rate of penetration |
| CN108517201A (en) * | 2018-03-28 | 2018-09-11 | 方建波 | A kind of preparation method of the high compound tackifier of anticalcium type |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101186813A (en) | Fast drilling fluid and preparation technique thereof | |
| Jiang et al. | Novel water-based drilling and completion fluid technology to improve wellbore quality during drilling and protect unconventional reservoirs | |
| Fink | Petroleum engineer's guide to oil field chemicals and fluids | |
| US10590324B2 (en) | Fiber suspending agent for lost-circulation materials | |
| Dvoynikov et al. | Developments made in the field of drilling fluids by Saint Petersburg mining University | |
| EP2946062B1 (en) | Drilling a well with predicting sagged fluid composition and mud weight | |
| US9840652B2 (en) | Water-based drilling fluid with cyclodextrin shale stabilizer | |
| EP2809742B1 (en) | Cellulose nanowhiskers in well services | |
| CN102070909B (en) | Cation modified asphalt and preparation method thereof | |
| US10414963B2 (en) | High-temperature crosslinked polymer for use in a well | |
| US9012376B2 (en) | Inulin as corrosion inhibitor | |
| CN102732234B (en) | Salt-resistant temperature-resistant micro-foam water-based drilling fluid | |
| CN103965844A (en) | Low-density microbubble workover fluid | |
| CA2941707C (en) | Water-soluble linear polyphosphazenes in water-based fluids for use in wells or pipelines | |
| Xie et al. | Nanoplugging performance of hyperbranched polyamine as nanoplugging agent in oil-based drilling fluid | |
| Chen et al. | Thixotropy research of laponite-hydrogel composites for water shutoff in horizontal wells | |
| CN102226076A (en) | Strongly-inhibitive collapse-prevention low-damage drilling fluid | |
| Nutskova et al. | Investigating of compositions for lost circulation control | |
| Yang et al. | Research progress on low-temperature rheology of high-performance ocean deepwater drilling fluids: An overview | |
| Al-Obaidi | The Use of Polymeric Reactants for EOR and Waterproofing | |
| CN109266319B (en) | Full-oil-based drilling fluid and preparation method and application thereof | |
| Gizatullin et al. | Development of detergent for drilling muds while directional drilling | |
| Methven et al. | Performance of oil muds at high temperatures | |
| RU2375405C2 (en) | Boring solution without solid state with increased inhybiting properties | |
| Khusnutdinova et al. | Evaluation of enhanced oil recovery efficiency at fields with hard-to-recover reserves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080528 |