CN104497998A - Salt-resistant and high-temperature-resistant organic salt emulsion drilling fluid and preparation method thereof - Google Patents
Salt-resistant and high-temperature-resistant organic salt emulsion drilling fluid and preparation method thereof Download PDFInfo
- Publication number
- CN104497998A CN104497998A CN201510010690.3A CN201510010690A CN104497998A CN 104497998 A CN104497998 A CN 104497998A CN 201510010690 A CN201510010690 A CN 201510010690A CN 104497998 A CN104497998 A CN 104497998A
- Authority
- CN
- China
- Prior art keywords
- parts
- drilling fluid
- salt
- temperature
- resisting
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention in particular relates to a salt-resistant and high-temperature-resistant organic salt emulsion drilling fluid. The salt-resistant and high-temperature-resistant organic salt emulsion drilling fluid comprises the following materials in parts by mass: 1000 parts of water, 2-3 parts of polyanionic cellulose, 30-40 parts of super-fine-mesh calcium carbonate, 20-30 parts of modified starch, 20-30 parts of sulfomethal phenolaldehy resin, 30-40 parts of cation emulsified asphalt powder, 20-30 parts of sodium formate and 1 part of NaOH. The drilling fluid has salt-resistant and high-temperature-resistant properties; the influence of organic salt components in the drilling fluid and the well bottom temperature on the exertion of the effect of a treatment agent can be effectively avoided; the inhabitation capability of the drilling fluid is ensured; the formation of slurry of the lower bottom mud rock can be avoided; the content of solid phase in the drilling fluid can be effectively controlled; the defects that the bit balling, low mechanical rotation rate, slow sliding drilling rate and backing pressure can be avoided; compared with a polysulfonate system, the average hole diameter enlargement rate is reduced from 9.9% to 0.74%.
Description
Technical field
The present invention is specifically related to a kind of organic salt emulsion drilling fluid and compound method of salt-resisting high-temperature-resisting.
Background technology
Long Dong gas field zone of interest mostly is Shanxi group, and finishing drilling well depth is many in Cambrian system Xu Zhuan group, experiences Shanxi and Liang Ge stratum, Benxi in drilling process, and these two stratum all exist coal seam, will prevent collapsing of coal seam in Deal With Drilling Fluid process.And " the two rock layers " that start to transform mud system belongs to the Permian system, stratum depth of burial is about 3700m ~ 4200m, in stratum, content of mudstone is high, be easy to aquation dispersion, shale or solid load in well are increased, this well section is just in time in the conversion of clear water polymkeric substance to well finishing liquid simultaneously, and after just transforming, property of drilling fluid is poor, and as large in dehydration, filter cake is thick, inhibition is poor, lubricity is poor etc. all impacts during brill.
Chang Qing drilling well main office is for the stratum characteristic in current Long Dong gas field " two rock layers " and coal seam, Benxi, Shanxi, in conjunction with abundant situ of drilling well experience, successfully find out a set of based on the sulphonated polymer mud Technology of " wilkinite, sulfonated gilsonite powder, water retaining, high polymer, inhibitor anti-sloughing agent " etc.Because this inhibition ability is poor, cause system solid load high, mud cake void is thick.Improve rejection ability just to need to add organic salt treatment agent, system dehydration can be caused again to increase, cause hole collapse.And the heat fusion joint of sulfonated gilsonite powder in system is all at 70-80 DEG C, but this stratum well depth is all more than 4000 meters, and bottom temperature is all more than 100 DEG C, and common sulfonate materials does not realize oneself effect at all.Because these of this system are not enough, drilling fluid caving control ability, hole enlargement ratio will be caused large, and solid load is high, and dehydration is unstable, and rate of penetration is low, slow during brill, PDC mud drum, and sticky card appears in frictional resistance large poor lubricity during slipping drilling.Once occurred that hole collapse caused the consequence of well filling sidetracking in Long Dong gas field.
Summary of the invention
The object of this invention is to provide a kind of organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, overcome the problem that organic salt composition and bottom temperature in existing drilling fluid affect each composition effect performance.
For this reason, the invention provides a kind of organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, be made up of the material of following mass fraction: 1000 parts, water, Polyanionic Cellulose 2 ~ 3 parts, 30 ~ 40 parts, ultra-fine order calcium carbonate, treated starch 20 ~ 30 parts, sulfonated phenol formaldehyde resin 20 ~ 30 parts, 30 ~ 40 parts, cationic emulsified bitumen powder, sodium formiate 20 ~ 30 parts, NaOH 1 part.
Described treated starch is GD-K treated starch, and sulfonated phenol formaldehyde resin is SMP-1 sulfonated phenol formaldehyde resin, and sodium formiate is WT-1 sodium formiate, and cationic emulsified bitumen powder is SFT-1 cationic emulsified bitumen powder.
Described ultra-fine order calcium carbonate is more than 700 orders.
Present invention also offers the compound method of the organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, first add 1000 parts, water, Polyanionic Cellulose 2 ~ 3 parts, treated starch 20 ~ 30 parts, sulfonated phenol formaldehyde resin 20 ~ 30 parts, 30 ~ 40 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 30 ~ 40 parts, ultra-fine order calcium carbonate and sodium formiate 20 ~ 30 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml.
The dosing of high pressure mixing funnel is used, diesel engine speed 800 ~ 1000 turns, discharge capacity 24 ~ 28 L/s when each material mixes.
The present invention compared with prior art, has the following advantages:
1) high temperature resistance: compared with sulphonated polymer mud system, the organic salt Emulsified drilling liquid system of salt-resisting high-temperature-resisting of the present invention has changed sulfonated gilsonite into emulsified bitumen, sulfonated gilsonite heat fusion joint (70-80 DEG C), and emulsified bitumen heat fusion joint (100-120 DEG C) can have better high temperature resistance effect, for well depth more than 4000 meters, the well of bottom temperature more than 100 DEG C, more can embody high temperature resistance effect of the present invention;
2) anti-salt: the Industrial Salt that sulphonated polymer mud system adds can produce Cl
-, can and drilling fluid in other treatment agents influence each other, cause the solid load of drilling fluid to increase, restraint be deteriorated, and the present invention adopt organic salt as raising inhibition ability main treatment agent, not contain Cl
-, can not other influences be produced for other treatment agents, every treatment agent can be played one's part to the full, thus there is better anti-salt effect;
3) diameter enlargement ratio reduces: compared with poly-sulphur system, diameter enlargement ratio is reduced to 0.74% from 9.9%.
Embodiment
Embodiment 1
An organic salt emulsion drilling fluid for salt-resisting high-temperature-resisting, is made up of the material of following mass fraction: 1000 parts, water, Polyanionic Cellulose 2 parts, 30 parts, ultra-fine order calcium carbonate, treated starch 20 parts, sulfonated phenol formaldehyde resin 20 parts, 30 parts, cationic emulsified bitumen powder, sodium formiate 20 parts, NaOH 1 part.
The compound method of the organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, first add 1000 parts, water, Polyanionic Cellulose 2 parts, treated starch 20 parts, sulfonated phenol formaldehyde resin 20 parts, 30 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 30 parts, ultra-fine order calcium carbonate and sodium formiate 20 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml.Wherein, the dosing of high pressure mixing funnel is used when each material mixes, diesel engine speed 800 ~ 1000 turns, discharge capacity 24 ~ 28 L/s.
Embodiment 2
The problem of each composition effect performance is affected in order to overcome organic salt composition and bottom temperature in existing drilling fluid, present embodiments provide a kind of organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, be made up of the material of following mass fraction: 1000 parts, water, Polyanionic Cellulose 2 parts, 30 parts, ultra-fine order calcium carbonate, treated starch 20 parts, sulfonated phenol formaldehyde resin 20 parts, 30 parts, cationic emulsified bitumen powder, sodium formiate 20 parts, NaOH 1 part.
Adopt in the present embodiment: treated starch model is GD-K treated starch, manufacturer is the wide petro-chemical corporation of Dongying, sulfonated phenol formaldehyde resin model is SMP-1 sulfonated phenol formaldehyde resin, manufacturer is emerging chemical plant, Henan, sodium formiate model is WT-1 sodium formiate, manufacturer is long celebrating Liquan chemical plant, cationic emulsified bitumen powder model is SFT-1 cationic emulsified bitumen powder, manufacturer is Golden Horse chemical plant, Henan, ultra-fine order calcium carbonate model is ZDS, order number is more than 700 orders, and manufacturer is long celebrating Liquan chemical plant.
The compound method of the organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, first add 1000 parts, water, Polyanionic Cellulose 2 parts, treated starch 20 parts, sulfonated phenol formaldehyde resin 20 parts, 30 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 30 parts, ultra-fine order calcium carbonate and sodium formiate 20 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml.Wherein, the dosing of high pressure mixing funnel is used when each material mixes, diesel engine speed 800 ~ 1000 turns, discharge capacity 24 ~ 28 L/s.
Embodiment 3
The organic salt emulsion drilling fluid of the salt-resisting high-temperature-resisting that the present embodiment provides, be made up of the material of following mass fraction: 1000 parts, water, Polyanionic Cellulose 2.5 parts, 36 parts, ultra-fine order calcium carbonate, treated starch 25 parts, sulfonated phenol formaldehyde resin 25 parts, 35 parts, cationic emulsified bitumen powder, sodium formiate 25 parts, NaOH 1 part.
In the present embodiment, treated starch model is GD-K treated starch, manufacturer is the wide petro-chemical corporation of Dongying, sulfonated phenol formaldehyde resin model is SMP-1 sulfonated phenol formaldehyde resin, manufacturer is emerging chemical plant, Henan, sodium formiate model is WT-1 sodium formiate, manufacturer is long celebrating Liquan chemical plant, cationic emulsified bitumen powder model is SFT-1 cationic emulsified bitumen powder, manufacturer is Golden Horse chemical plant, Henan, ultra-fine order calcium carbonate model is ZDS, order number is more than 700 orders, and manufacturer is long celebrating Liquan chemical plant.
The compound method of the organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, first add 1000 parts, water, Polyanionic Cellulose 2.5 parts, treated starch 25 parts, sulfonated phenol formaldehyde resin 25 parts, 35 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 36 parts, ultra-fine order calcium carbonate and sodium formiate 25 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml.Wherein, the dosing of high pressure mixing funnel is used when each material mixes, diesel engine speed 800 ~ 1000 turns, discharge capacity 24 ~ 28 L/s.
Embodiment 4
The organic salt emulsion drilling fluid of the salt-resisting high-temperature-resisting that the present embodiment provides, be made up of the material of following mass fraction: 1000 parts, water, Polyanionic Cellulose 3 parts, 40 parts, ultra-fine order calcium carbonate, treated starch 30 parts, sulfonated phenol formaldehyde resin 30 parts, 40 parts, cationic emulsified bitumen powder, sodium formiate 30 parts, NaOH 1 part.
In the present embodiment, treated starch model is GD-K treated starch, manufacturer is the wide petro-chemical corporation of Dongying, sulfonated phenol formaldehyde resin model is SMP-1 sulfonated phenol formaldehyde resin, manufacturer is emerging chemical plant, Henan, sodium formiate model is WT-1 sodium formiate, manufacturer is long celebrating Liquan chemical plant, cationic emulsified bitumen powder model is SFT-1 cationic emulsified bitumen powder, manufacturer is Golden Horse chemical plant, Henan, ultra-fine order calcium carbonate model is ZDS, order number is more than 700 orders, and manufacturer is long celebrating Liquan chemical plant.
The compound method of the organic salt emulsion drilling fluid of salt-resisting high-temperature-resisting, first add 1000 parts, water, Polyanionic Cellulose 3 parts, treated starch 30 parts, sulfonated phenol formaldehyde resin 30 parts, 40 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 40 parts, ultra-fine order calcium carbonate and sodium formiate 30 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml.Wherein, the dosing of high pressure mixing funnel is used when each material mixes, diesel engine speed 800 ~ 1000 turns, discharge capacity 24 ~ 28 L/s.
The mechanism of action of the present invention:
Polyanionic Cellulose (being called for short PAC) has viscosifying action concurrently while playing the suppressed effect of bag, has certain anti-salt calcium ability; GD-K treated starch all to have at fresh water or salt-water drilling fluid as water retaining and better protects glue ability, can improve the yield value in brine system of mud, also can form the thin and mud cake of densification, significantly reduces filter loss and improves the toughness of mud cake; The dehydration that the present invention adopts the strong sulfonated phenol formaldehyde resin of temperature resistance ability (model SMP-1) and cationic emulsified bitumen powder (model SFT-1) effectively to control in drilling fluid, SFT-1 cationic emulsified bitumen powder belongs to emulsified bitumen, be compared to sulfonated gilsonite powder and there is higher heat fusion joint, exceed 40-50 DEG C, thus have better high-temperature resistance, fully can meet the well depth needs in Long Dong gas field; The increase of organic salt sodium formiate content in system, body series drilling fluid is caused to have extremely low solid phase, higher salinity and strong inhibition, overcome the aquation dispersion of mud stone, the simultaneously compressible soft particle that provides as temporary plugging agent of GD-K treated starch and ZDS ultra-fine order calcium carbonate and rigid particles, thin and fine and close mud cake is formed under the effect of positive pressure differential, can effectively prevent in drilling process because the impact of salinity in system and shaft bottom high temperature causes treatment agent to lose effectiveness, cause dehydration large, slow during brill, mill resistance is large, hole collapse.
Because lower well section is main mainly with mud stone, is subject to drilling tool extruding and forms landwaste cake parcel drilling tool in order to prevent bit balling and landwaste and increase frictional resistance etc., add organic salt weighting agent sodium formiate (WT-1), improve the suppressed ability of bag of system.Because sodium formiate is water-soluble in neutral, can not affect the pH value of drilling fluid, and the heat fusion joint of sodium formiate is at 253 DEG C, the shaft bottom high temperature in complete gas field, therefore add sodium formiate in drilling fluid can not affect treatment agent and play a role, thus embody the saline-alkaline tolerance of this system.
Specific construction process:
Step 1) is anti-collapse: will perform the measure of block drilling liquid technology before mud transforms, anti-collapse full well section, ensure the emphasis of well rule as drilling fluid work, require that top well section MDIA expands and control within 10%, maximum caliper expansion controls within 15%;
Step 2) in the normal situation in Jing Duan down-hole, top, first add 1000 parts, water, Polyanionic Cellulose 2 ~ 3 parts, treated starch 20 ~ 30 parts, sulfonated phenol formaldehyde resin 20 ~ 30 parts, 30 ~ 40 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 30 ~ 40 parts, ultra-fine order calcium carbonate and sodium formiate 20 ~ 30 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml;
Step 3), in the abnormal situation in down-hole, must join 40 side's carclazyte three sulphur mud when transforming
The sand do not taken out of in cleaning pit shaft, the dosage of carclazyte will control to be no more than in the scope of 3% at total mud amount, the prop-carrying capacity that will improve mud further will by adding as the 1-1.5% GD-K treated starch of 40 side's carclazyte three sulphur mud total masses and 0.0625-0.125% xanthan gum realize, and the relative molecular mass of xanthan gum is 2 × 10
6-1.2 × 10
7, manufacturer is Shandong Zibo chemical plant.
In drilling process, use embodiment 2, embodiment 3, embodiment 4 organic salt emulsion drilling fluid can control API(API filter loss be at normal temperatures and 690KPa(100psi) pressure under measure, time be 7 points 30 seconds, result is multiplied by 2) filter loss is less than 6 ml, adopt shielding plugging anti-sloughing technique, improve the integrity of the caving ground borehole wall and the caving-preventing ability of drilling fluid, under High Temperature High Pressure, filter loss is at below 15ml.
Organic salt emulsion drilling fluid prepared by various embodiments of the present invention is compared with poly-sulphur system, and diameter enlargement ratio is reduced to 0.74% from 9.9%, the results are shown in Table 1.
Table 1 celebrates 1-8-59 and celebrating 1-10-64 bore hole hole diameter Data Comparison
From celebrating 1-8-59 well, use sulphonated polymer mud system " two rock layers " serious complexity of caving in occur, logging blocking when this well creeps into, maximum hole enlargement ratio reaches 34.6%, diameter enlargement ratio 9.9%.After celebrating 1-10-64 well uses salt-resisting high-temperature-resisting composite salt system, down-hole is normal, and caving in does not appear in " two rock layers ", Shanxi group, group leader coal seam, Benxi.Finishing drilling electrical measurement is success once, and hole diameter rule map, diameter enlargement ratio only has 0.74%.Drilling fluid system directly can be changed by polymeric system or anti-salt three sulphur system, after converting stable performance, only needs to carry out routine maintenance in drilling process, if without down hole problem, does not need significantly to adjust process.
1-10-64 well lower well section property of drilling fluid recorder celebrated by table 2
Drilling fluid system directly can be changed by polymeric system or anti-salt three sulphur system, after converting stable performance, only needs to carry out routine maintenance in drilling process, if without down hole problem, does not need significantly to adjust process.Effect and the embodiment 2-4 of embodiment 1 are basically identical, and embodiment 2-4 is more better.
The present embodiment does not have specifically described part all to belong to common practise and the known technology of the art, describes in detail no longer one by one herein.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (5)
1. the organic salt emulsion drilling fluid of a salt-resisting high-temperature-resisting, it is characterized in that, be made up of the material of following mass fraction: 1000 parts, water, Polyanionic Cellulose 2 ~ 3 parts, 30 ~ 40 parts, ultra-fine order calcium carbonate, treated starch 20 ~ 30 parts, sulfonated phenol formaldehyde resin 20 ~ 30 parts, 30 ~ 40 parts, cationic emulsified bitumen powder, sodium formiate 20 ~ 30 parts, NaOH 1 part.
2. the organic salt emulsion drilling fluid of a kind of salt-resisting high-temperature-resisting according to claim 1, it is characterized in that: described treated starch is GD-K treated starch, sulfonated phenol formaldehyde resin is SMP-1 sulfonated phenol formaldehyde resin, sodium formiate is WT-1 sodium formiate, and cationic emulsified bitumen powder is SFT-1 cationic emulsified bitumen powder.
3. the organic salt emulsion drilling fluid of a kind of salt-resisting high-temperature-resisting according to claim 1, is characterized in that: described ultra-fine order calcium carbonate is more than 700 orders.
4. the compound method of the organic salt emulsion drilling fluid of a kind of salt-resisting high-temperature-resisting according to claim 1, it is characterized in that: first add 1000 parts, water, Polyanionic Cellulose 2 ~ 3 parts, treated starch 20 ~ 30 parts, sulfonated phenol formaldehyde resin 20 ~ 30 parts, 30 ~ 40 parts, cationic emulsified bitumen powder and NaOH 1 part after full and uniform 12 hours by the circulating cycle, then to add measuring density after 30 ~ 40 parts, ultra-fine order calcium carbonate and sodium formiate 20 ~ 30 parts of cycle balances be 1.06 ~ 1.10g/cm
3, viscosity 38 ~ 45 s and filter loss 4 ~ 6 ml.
5. the compound method of the organic salt emulsion drilling fluid of a kind of salt-resisting high-temperature-resisting according to claim 4, is characterized in that: use the dosing of high pressure mixing funnel when each material mixes, diesel engine speed 800 ~ 1000 turns, discharge capacity 24 ~ 28 L/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010690.3A CN104497998B (en) | 2015-01-09 | 2015-01-09 | The organic salt emulsion drilling fluid and compound method of a kind of salt-resisting high-temperature-resisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010690.3A CN104497998B (en) | 2015-01-09 | 2015-01-09 | The organic salt emulsion drilling fluid and compound method of a kind of salt-resisting high-temperature-resisting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104497998A true CN104497998A (en) | 2015-04-08 |
| CN104497998B CN104497998B (en) | 2017-10-27 |
Family
ID=52939458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510010690.3A Active CN104497998B (en) | 2015-01-09 | 2015-01-09 | The organic salt emulsion drilling fluid and compound method of a kind of salt-resisting high-temperature-resisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104497998B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255459A (en) * | 2015-10-29 | 2016-01-20 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Environment-friendly chlorine-free drilling fluid and preparation method thereof |
| CN106753286A (en) * | 2016-12-09 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of viscous low solid phase environmental protection drilling fluid high and preparation method thereof |
| CN109652032A (en) * | 2019-01-22 | 2019-04-19 | 北京宏勤石油助剂有限公司 | A kind of drilling fluid mud cake toughening modifying agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050187113A1 (en) * | 2001-09-19 | 2005-08-25 | Hayes James R. | High performance water-based mud system |
| 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 |
| CN103013470A (en) * | 2012-12-31 | 2013-04-03 | 中国石油化工股份有限公司 | Strong-inhibition drilling fluid system |
| CN103146363A (en) * | 2013-03-11 | 2013-06-12 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Composite salt low-activity anti-sloughing drilling fluid and construction method thereof |
| CN103589406A (en) * | 2013-11-14 | 2014-02-19 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Compound saltwater drilling fluid for plugging fractures of coal seam |
-
2015
- 2015-01-09 CN CN201510010690.3A patent/CN104497998B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050187113A1 (en) * | 2001-09-19 | 2005-08-25 | Hayes James R. | High performance water-based mud system |
| 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 |
| CN103013470A (en) * | 2012-12-31 | 2013-04-03 | 中国石油化工股份有限公司 | Strong-inhibition drilling fluid system |
| CN103146363A (en) * | 2013-03-11 | 2013-06-12 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Composite salt low-activity anti-sloughing drilling fluid and construction method thereof |
| CN103589406A (en) * | 2013-11-14 | 2014-02-19 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Compound saltwater drilling fluid for plugging fractures of coal seam |
Non-Patent Citations (1)
| Title |
|---|
| 王参书等: "乳化沥青YK-H在塔里木哈得及轮古地区中的应用", 《钻井液与完井液》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255459A (en) * | 2015-10-29 | 2016-01-20 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Environment-friendly chlorine-free drilling fluid and preparation method thereof |
| CN106753286A (en) * | 2016-12-09 | 2017-05-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of viscous low solid phase environmental protection drilling fluid high and preparation method thereof |
| CN109652032A (en) * | 2019-01-22 | 2019-04-19 | 北京宏勤石油助剂有限公司 | A kind of drilling fluid mud cake toughening modifying agent and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104497998B (en) | 2017-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101851492B (en) | High-temperature high-pressure salt-resistant high-density drilling fluid | |
| CN101851491B (en) | Method for preparing fluid loss additive for drilling fluid | |
| CN102070909B (en) | Cation modified asphalt and preparation method thereof | |
| CN103045210B (en) | High-efficiency plugging oil-base drilling fluid and preparation method thereof | |
| US20130133888A1 (en) | Aqueous gels for well bore strengthening | |
| CN106318347A (en) | Silicate-aluminate anti-sloughing drilling fluid | |
| CN104927805A (en) | High-density water-based drilling fluid applicable to continental deposit sensitive shale formation | |
| CN101921580B (en) | High temperature resistant anti-salt isolation solution and preparation method thereof | |
| CN106221684A (en) | Closure drilling fluid and the preparation method by force that a kind of carbonaceous mudstone is anti-collapse | |
| CN104774598A (en) | High-temperature-resistant plugging agent for drilling fluid and preparation method thereof | |
| CN109021940B (en) | High-temperature high-density high-performance environment-friendly water-based drilling fluid and preparation method thereof | |
| CN103275680A (en) | No-clay low-solid phase horizontal well section drilling fluid and preparation method thereof | |
| CN103013468B (en) | Salt-resistant drilling fluid with super-high density, preparation method and application thereof | |
| CN103589407A (en) | Low-surface-tension solid-free reservoir protection drilling fluid | |
| CN106010484A (en) | Strong-inhibition polyether polyol drilling fluid | |
| CN101892036A (en) | Process for preparing drilling fluid for preventing polycrystalline diamond compact (PDC) bit balling | |
| CN103642473A (en) | Polymer saturated salt water drilling solution suitable for drilling gas storage warehouse | |
| CN103396771A (en) | Degradable drilling fluid based on nano material | |
| CN104497998A (en) | Salt-resistant and high-temperature-resistant organic salt emulsion drilling fluid and preparation method thereof | |
| CN104371673A (en) | Weighting agent for high density drilling fluid, manufacturing method thereof, and drilling liquid containing same | |
| CN104650830A (en) | High-temperature resistant high-density organic salt drilling fluid | |
| CN101089114A (en) | Salt-containing separating liquid system and its prepn process | |
| CN101948679B (en) | A kind of Intelligent reservoir drilling completion fluid system and preparation method thereof | |
| CN113637464B (en) | Anti-sloughing drilling fluid and preparation method and application thereof | |
| CN103589406A (en) | Compound saltwater drilling fluid for plugging fractures of coal seam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Nie Zhen Inventor after: Zhao Furong Inventor after: Lu Xiao Inventor after: Zhang Jianqing Inventor after: Wu Shenghong Inventor before: Nie Zhen Inventor before: Zhao Furong Inventor before: Lu Xiao Inventor before: Zhang Jianqing Inventor before: Wu Shenghong |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |