Venture Chemicals, Inc. Venture Chemicals, Inc. Presents Presents - - PowerPoint PPT Presentation

1 1

Venture Chemicals, Inc. Venture Chemicals, Inc. Presents Presents

2 2

Ven Ven-

• Trol

Trol 401 401

3 3

This is a

Venture Chemicals, Inc. PowerPoint Presentation

Available on 3.5 inch Disk on Request 1995

4 4

Presentation Outline Presentation Outline

• Introduction

Introduction

• Key Questions and Answers

Key Questions and Answers

• Laboratory and Field Data

Laboratory and Field Data

• Case Histories

Case Histories

• Available Literature

Available Literature

• Background Reading and

Background Reading and References References

• Summary

Summary

5 5

Ven Ven-

• Trol

Trol 401 401

A A Multi Multi-

• Purpose Mud

Purpose Mud Conditioner Conditioner

6 6

What Is What Is Ven Ven-

• Trol

Trol 401? 401?

7 7

Ven Ven-

• Trol

Trol 401

401

Is A Multi Is A Multi-

• Purpose Mud

Purpose Mud Conditioner Conditioner

8 8

Ven Ven-

• Trol

Trol 401 401

..... .....O

One of the novel,

ne of the novel, micronized micronized cellulose fiber products from cellulose fiber products from Venture Chemicals, Inc... Venture Chemicals, Inc.... .

9 9

Properties of Properties of Ven Ven-

• Trol

Trol 401 401

• Form: Finely divided, fibrous powder

Form: Finely divided, fibrous powder

• Color: Gray to black

Color: Gray to black

• Composition: Resin coated,

Composition: Resin coated, micronized micronized cellulose fiber cellulose fiber

• Dispersibility

Dispersibility: Excellent, oil or water : Excellent, oil or water

• Bulk Density: comp.

Bulk Density: comp. – – 26 26 uncomp uncomp. . -

• 15

15

• pH (5% in water): 6

pH (5% in water): 6-

• 8

8

10 10

Key Questions and Answers Key Questions and Answers About About

Ven Ven-

• Trol

Trol 401 401

11 11

What Is What Is Ven Ven-

• Trol

Trol 401 401?

?

• A micronized cellulose derivative
• A multi-purpose mud conditioner

12 12

What Does What Does Ven Ven-

• Trol

Trol 401 401 Add to Mud Properties? Add to Mud Properties?

• Shale Stabilization

Shale Stabilization

• Seepage Loss Control

Seepage Loss Control

• Lubricity

Lubricity

• HTHP Filtrate Reduction

HTHP Filtrate Reduction

• Minimizes formation damage

Minimizes formation damage

13 13

How Does How Does Ven Ven-

• Trol

Trol 401 Work? 401 Work?

• Resin fraction extrudes into

Resin fraction extrudes into microfractures microfractures

• Seals and coats

Seals and coats shales shales

• Prevents water wetting

Prevents water wetting

• Fibers seal porous sands and

Fibers seal porous sands and microfractures microfractures

• Prevents loss of fluids

Prevents loss of fluids

• Inhibits cuttings

Inhibits cuttings

• Assist in HTHP fluid loss control

Assist in HTHP fluid loss control

• Resin provides some lubricity

Resin provides some lubricity

14 14

How Is How Is Ven Ven-

• Trol

Trol 401 Used? 401 Used?

• Add through hopper

Add through hopper

• Add as slug treatments

Add as slug treatments

• Pretreat

Pretreat entire system entire system

• Use combination application

Use combination application

• Use with other additives

Use with other additives

15 15

How Much How Much Ven Ven-

• Trol

Trol 401 401 Is Recommended? Is Recommended?

• 2

2-

• 8 lb/bbl in pretreatments

8 lb/bbl in pretreatments

• 10

10-

• 30 lb/bbl in normal slug

30 lb/bbl in normal slug treatments treatments

• 10

10-

• 100 lb/bbl in certain special

100 lb/bbl in certain special applications applications

16 16

What Is the Temperature What Is the Temperature Limitations of Limitations of Ven Ven-

• Trol

Trol 401? 401?

• Both cellulose and

Both cellulose and gilsonite gilsonite fraction fraction are stable above 400F with only minor are stable above 400F with only minor degradation that does not normally degradation that does not normally affect performance affect performance

17 17

Can Can Ven Ven-

• Trol

Trol 401 Be Used In 401 Be Used In Water or Oil Base Water or Oil Base Muds Muds? ?

• Yes

Yes

• Designed primarily for water base

Designed primarily for water base muds muds, but can be used in oil base , but can be used in oil base muds muds

• Pilot testing recommended

Pilot testing recommended

18 18

Is Is Ven Ven-

• Trol

Trol 401 401 Biodegradable? Biodegradable?

• Micronized

Micronized cellulose fiber cellulose fiber---

• --yes

yes

• Hydrocarbon resin

Hydrocarbon resin--

• -no, or very

no, or very slowly slowly

19 19

What Is the Effect of What Is the Effect of Ven Ven-

• Trol

Trol 401 on the Environment? 401 on the Environment?

• Composition based on natural,

Composition based on natural, modified modified micronized micronized cellulose fibers cellulose fibers and naturally occurring and naturally occurring gilsonite gilsonite

• Raw materials widely used and

Raw materials widely used and considered environmentally safe considered environmentally safe

• LC

LC50

50 = >500,000

= >500,000 ppm ppm

20 20

Is Is Ven Ven-

• Trol

Trol 401 Acid Soluble? 401 Acid Soluble?

• No

No--

• -not in conventional hydrochloric

not in conventional hydrochloric acids acids

• Cellulose fraction has low acid solubility,

Cellulose fraction has low acid solubility, but high alkali solubility but high alkali solubility

• Gilsonite

Gilsonite fraction insoluble in fraction insoluble in conventional acids conventional acids

21 21

Is Is Ven Ven-

• Trol

Trol 401 Water Soluble? 401 Water Soluble?

• No, insignificant

No, insignificant

• Only water dispersible

Only water dispersible

22 22

Is Is Ven Ven-

• Trol

Trol 401 Oil Soluble? 401 Oil Soluble?

• Yes, partially at elevated

Yes, partially at elevated temperatures temperatures

• Also, highly oil dispersible

Also, highly oil dispersible

23 23

Is Is Ven Ven-

• Trol

Trol 401 Alkali Soluble? 401 Alkali Soluble?

• Yes

Yes---

• --partially

partially

• Micronized

Micronized cellulose fraction has high cellulose fraction has high alkaline solubility alkaline solubility

• Gilsonite

Gilsonite fraction not soluble in fraction not soluble in alkalies alkalies, , but soluble in conventional hydrocarbon but soluble in conventional hydrocarbon resin solvents resin solvents

24 24

What’s the Best Removal Agent What’s the Best Removal Agent for for Ven Ven-

• Trol

Trol 401? 401?

• Primarily forms surface seals

Primarily forms surface seals

• Will normally not penetrate formation

Will normally not penetrate formation deeply deeply

• Most will be produced back immediately

Most will be produced back immediately

• Can use combination alkali and

Can use combination alkali and conventional hydrocarbon resin solvents conventional hydrocarbon resin solvents

25 25

How Is How Is Ven Ven-

• Trol

Trol 401 Packaged? 401 Packaged?

• 40 lb

40 lb multiwall multiwall paper bags paper bags

• 50 bags per pallet

50 bags per pallet

• Pallet size 48” x 40”

Pallet size 48” x 40”

• Shrink wrap

Shrink wrap -

• 0.8 mil

0.8 mil

• 1000 bags per container or truckload

1000 bags per container or truckload

26 26

Is Is Ven Ven-

• Trol

Trol 401 Hazardous? 401 Hazardous?

• No

No

• Manufactured from non

Manufactured from non-

• hazardous

hazardous raw materials raw materials

• See Material Safety Data Sheet for

See Material Safety Data Sheet for details details

27 27

What Is The Price of What Is The Price of Ven Ven-

• Trol

Trol 401? 401?

• Sold only through distributors or service

Sold only through distributors or service companies companies

• Prices vary with service company

Prices vary with service company

• Contact company direct for specific price

Contact company direct for specific price

28 28

What Are The Precautions in Storage What Are The Precautions in Storage and Handling of and Handling of Ven Ven-

• Trol

Trol 401? 401?

• Long shelf life if protected

Long shelf life if protected

• Storage in dry, weatherproof area

Storage in dry, weatherproof area

• Some blocking may occur if stored in hot,

Some blocking may occur if stored in hot, humid area for extended periods humid area for extended periods

• Inventory should be rotated on regular

Inventory should be rotated on regular basis basis

• Blocking does not affect performance

Blocking does not affect performance

29 29

Is Is Ven Ven-

• Trol

Trol 401 a Cure All? 401 a Cure All?

• No

No

• It is designed to do a limited

It is designed to do a limited number of things number of things---

• --well

well

30 30

Where Has Where Has Ven Ven-

• Trol

Trol 401 401 Been Used? Been Used?

• In all major drilling areas of the

In all major drilling areas of the world world

31 31

Where Can I Get Where Can I Get Ven Ven-

• Trol

Trol 401? 401?

• Any drilling mud service company

Any drilling mud service company

• Venture Chemical, Inc.’s Warehouses

Venture Chemical, Inc.’s Warehouses

• r Plants
• r Plants
• Venture Chemical, Inc.’s Distributors

Venture Chemical, Inc.’s Distributors

32 32

Laboratory and Field Test Data Laboratory and Field Test Data

Ven Ven-

• Trol

Trol 401 401

33 33

Laboratory and Field Data Laboratory and Field Data

• Seepage Loss Control Data

Seepage Loss Control Data

• Stickometer

Stickometer Test Data Test Data

• Shale Inhibition Data

Shale Inhibition Data

• Fluid Loss Reduction Data

Fluid Loss Reduction Data

• Lubricity Data

Lubricity Data

• Formation Damage Data

Formation Damage Data

34 34

Seepage Loss Control Seepage Loss Control Data Data

Ven-Trol 401

35 35

Comparison of Comparison of Ven Ven-

• Trol

Trol 401 with Water 401 with Water Soluble/Dispersible Asphalt and Soluble/Dispersible Asphalt and Gilsonite Gilsonite

Sample Shut Off, ml Time, Seconds

• A. Base Mud (BM)

Blow Out

• B. BM + 10 lb/bbl Water Soluble Asphalt

Blow Out

• C. BM + 10 lb/bbl Water Dispersible Gilsonite

Blow Out

• D. BM + 10 lb/bbl Ven-Trol 401

52 6

• E. Repeat Sample D

49 6

• F. Repeat Sample D with 2 minutes added stirring

95 11

• G. Repeat Sample D with 5 minutes added stirring

57 6

Test Conditions: (1) Base Mud = 10 lb/bbl bentonite (2) Additive Concentration=10 lb/bbl (3) Stir at high speed on Waring Blender (4) Test at 100 psi; API Cell; 200 gram 16/30 mesh unconsolidated sand; 75 F (5) Measure volume in lm to shut-off (drops only) (6) Record time to shut-off

36 36

Sand Pack Slugging Tests on Ven-Trol 401 in Simple Bentonite Spud Mud

Sample 1 2 3 4 5 Fresh Water, bbl 1 1 1 1 1 Bentonite, lb 25 25 25 25 25 Ven-Trol 401, lb 20 40 50 60 Stir, min 10 10 10 10 10 Sand Pack Tests: Shut-Off Vol, ml CFL* 74 22 11.5 4.5 Time to Shut Off, sec 9 to BO** 9 3 3 2 Conditions: (1) API Test Cell, 100 psi (2) 200 gram 16/30 Sand (3) Pre-wet sand with water (4) *CFL=Complete Fluid Loss: No Control (5) **BO=Blow Out:No Control (6) pH adjusted to 10.0 with NaOH

37 37

Effect of Effect of Ven Ven-

• Trol

Trol 401 in a 11.4 lb/gal CLS Mud 401 in a 11.4 lb/gal CLS Mud versus Competitive Samples versus Competitive Samples

• TROL 401, lb

• 6

• Competitive Sample A, lb

• 6

• Competitive Sample B, lb

• 6

• 200 g 16/30 mesh sand:

• 135

• Total Loss, ml/30 min.

38 38

Effect of Effect of Ven Ven-

• Trol

Trol 401 in a 401 in a Diesel Oil Base Mud Diesel Oil Base Mud

1 1 2 2 3 3 4 4 Composition: Composition: Diesel Oil, bbl Diesel Oil, bbl 237 237 237 237 237 237 237 237 Primary Emulsifier, lb Primary Emulsifier, lb 8 8 8 8 8 8 8 8 Secondary Emulsifier, lb Secondary Emulsifier, lb 6 6 6 6 6 6 6 6 Lime, lb Lime, lb 4 4 4 4 4 4 4 4 30% CaCl 30% CaCl2

brine, lb 59 59 59 59 59 59 59 59 Organoclay Organoclay, lb , lb 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 Barite, lb Barite, lb 229 229 229 229 229 229 229 229 VEN VEN-

• TROL 401, lb

TROL 401, lb

• 10

10 15 15 30 30 Properties after hot Properties after hot-

• rolling 16 hr @ 150 F:

rolling 16 hr @ 150 F: Plastic Viscosity, cp Plastic Viscosity, cp 31 31 34 34 40 40 60 60 Yield Point, lb/100 Yield Point, lb/100 sq.ft sq.ft. . 9 9 18 18 21 21 25 25 10 sec Gel, lb/100 10 sec Gel, lb/100 sq.ft sq.ft. . 4 4 6 6 5 5 15 15 10 min Gel, lb/100 10 min Gel, lb/100 sq.ft sq.ft. . 8 8 12 12 10 10 22 22 Sand Pack Data Sand Pack Data -

• 200 g 16/30 mesh sand

200 g 16/30 mesh sand -

• 100

100 psi psi Spurt Time, sec. Spurt Time, sec. 12 12 11 11 3 3 Spurt Loss, ml Spurt Loss, ml

• 15

15 7 7 Total Loss, ml/30 min. Total Loss, ml/30 min. *CFL *CFL 36 36 15 15 *INDICATES COMPLETE FLUID LOSS *INDICATES COMPLETE FLUID LOSS

39 39

Ven Ven-

• Trol

Trol 401 401

Stickometer Stickometer Test Data Test Data

40 40

Ven Ven-

• Trol

Trol 401 401 Stickometer Stickometer Testing Testing

1 1 2 2 30 min. Fluid Loss 30 min. Fluid Loss 3.8 3.8 3.6 3.6 60 min. Fluid Loss 60 min. Fluid Loss 5.6 5.6 5.0 5.0 Torque, in. lbs @ 5 min. Torque, in. lbs @ 5 min. 15 15 <5 <5 10 min. 10 min. 45 45 15 15 15 min. 80 15 min. 80 40 40 30 min. 245 30 min. 245 130 130

NOTE: NOTE: 1 = Base Mud Only 1 = Base Mud Only 2 = 6 ppb VEN 2 = 6 ppb VEN-

• TROL 401

TROL 401

41 41

Ven Ven-

• Trol

Trol 401 401

Shale Inhibition Data Shale Inhibition Data

42 42

Capillary Suction Time Data Comparison of Capillary Suction Time Data Comparison of Ven Ven-

• Trol

Trol 401 with 401 with Sulfonated Sulfonated Asphalt in a 1% Asphalt in a 1% Bentonite Slurry Bentonite Slurry

% % Ven Ven-

• Trol

Trol 401 401 CST, Seconds CST, Seconds CST, Seconds CST, Seconds

• r
• r Sulfonated

Sulfonated Asphalt Asphalt Ven Ven-

• Trol

Trol 401 401 Sulfonated Sulfonated Asphalt Asphalt 425 425 425 425 1 1 500 500 854 854 2 2 29.6 29.6 889 889 3 3 11.4 11.4 1008 1008 NOTES: NOTES: 1. CST = Capillary Suction Time Data

• 1. CST = Capillary Suction Time Data

2.

• 2. Sulfonated

Sulfonated asphalt disperses bentonite while asphalt disperses bentonite while Ven Ven-

• Trol

Trol 401 401 inhibits dispersion. inhibits dispersion.

43 43

Capillary Suction Time Data Capillary Suction Time Data Comparison of Comparison of Ven Ven-

• Trol

Trol 401on a 401on a 5% Marine Shale Dispersion 5% Marine Shale Dispersion

Ven Ven-

• Trol

Trol 401 401 CST, Seconds CST, Seconds 199 199 1% 1% 50.6 50.6 2%* 2%* 43.2 43.2 3% 3% 51.4 51.4 4% 4% 65.6 65.6

NOTES: CST = Capillary Suction Time NOTES: CST = Capillary Suction Time *Best shale inhibition. *Best shale inhibition. Ven Ven-

• Trol

Trol 401 can also be used in conjunction with 401 can also be used in conjunction with KCl KCl to produce an inhibition synergism. to produce an inhibition synergism.

44 44

Effect of Effect of Ven Ven-

• Trol

Trol 401 on 1% 401 on 1% Dispersion of Bentonite Clay Dispersion of Bentonite Clay

Ven Ven-

• Trol

Trol 401 401 pH pH CST, CST, Seconds Seconds 9.1 9.1 363 363 1% 1% 9.1 9.1 285 285 2% 2% 9.5 9.5 70.4 70.4 3%* 3%* 9.1 9.1 21.9 21.9 4% 4% 9.1 9.1 27.6 27.6

NOTES: CST = Capillary Suction Time NOTES: CST = Capillary Suction Time *Best Inhibition. *Best Inhibition.

45 45

Effect of Effect of Ven Ven-

• Trol

Trol 401 on 5% Dispersion of 401 on 5% Dispersion of Rev Dust (Simulated Drilled Solids) Rev Dust (Simulated Drilled Solids)

Ven Ven-

• Trol

Trol 401 401 pH pH CST, Seconds CST, Seconds 9.1 9.1 80.1 80.1 1% 1% 9.1 9.1 31.1 31.1 2%* 2%* 9.3 9.3 25.7 25.7 3% 3% 9.0 9.0 28.7 28.7 4% 4% 9.2 9.2 32.7 32.7

NOTES: CST = Capillary Suction Time NOTES: CST = Capillary Suction Time *Best flocculation *Best flocculation -

• supernatant is clear.

supernatant is clear.

46 46

Ven Ven-

• Trol

Trol 401 401

Lubricity Data Lubricity Data

47 47

Effect of Effect of Ven Ven-

• Trol

Trol 401 on Lubricity 401 on Lubricity

• Gilsonite

Gilsonite is a naturally occurring, hydro is a naturally occurring, hydro-

• carbon

resin with some natural carbon resin with some natural lubricating properties, particularly at lubricating properties, particularly at elevated temperatures. elevated temperatures.

• Both fibers and resins attract and hold

Both fibers and resins attract and hold

• ils or other liquid lubricants and
• ils or other liquid lubricants and

concentrate them in wall cake to enhance concentrate them in wall cake to enhance lubricity lubricity. .

48 48

Ven Ven-

• Trol

Trol 401 401

Fluid Loss Control Fluid Loss Control

49 49

Effect of Ven-Trol 401 on HTHP Properties of 12.2 lb/gal Oil Base Mud

Sample 1 2 3 4 5 6 Base Mud, bbl 1 1 1 1 1 1 Ven-Trol 401, lb 6 20 6 20 Stirred, min 10 10 10 10 10 10 Hot Rolled @ 150F, hr 16 16 16 Weight, lb/gal 12.2 12.2 12.2 12.2 12.2 12.2 Plastic Viscosity, cp 48 47 55 42 45 68 Yield Point, lb/100 sq ft 7 11 14 9 12 19 10 Sec Gel, lb/100 sq ft 5 6 5 3 6 5 10 Min Gel, lb/100 sq ft 8 10 13 Electrical Stability, volts 1060 1000 900 1080 1060 960 HTHP Filtrate, 300F,500 psi 24.0 18. 3.0 Free Water, ml 2.0 1.0

50 50

VEN VEN-

• TROL 401

TROL 401 Effect on Mud Properties Effect on Mud Properties

• Low concentrations in pretreatment range of

Low concentrations in pretreatment range of 2 2-

• 8 lb/bbl general have few negative effects on

8 lb/bbl general have few negative effects on mud properties mud properties

• High concentrations in slug treatments can

High concentrations in slug treatments can increase plastic viscosity, yield point and gel increase plastic viscosity, yield point and gel strengths strengths

• Always pilot test before use

Always pilot test before use

• See typical data in previous slides

See typical data in previous slides

51 51

Effect of VEN Effect of VEN-

• TROL 401 on

TROL 401 on Rheological Rheological Properties of 16.9 lb/gal Properties of 16.9 lb/gal Lignosulfonate Lignosulfonate Mud Mud

Properties Base Mud (BM) Base Mud + Ven-Trol 401, 6 lb/bbl Weight, lb/gal 16.9 16.9 Funnel Viscosity, sec/qt 48 48 Plastic Viscosity, cp 32 37 Yield Point, lb/100 sq ft 7 9 10 Sec Gel, lb/100 sq ft 3 4 10 Min Gel lb/100 sq ft 6 7 API Filtrate, ml 4.0 4.0 HTHP @ 300 F; 500 psi 8.8 8.7 pH 11.0 11.2 Alkalinity, Mud, Pm 2.8 2.9 Alkalinity, Filtrate, Pf 1.3 1.3 Alkalinity, Filtrate, Mf 2.3 2.3 Calcium, mg/l 160 160

52 52

Formation Damage Formation Damage Control Control

Ven-Trol 401

53 53

Prudhoe Bay Rig Prudhoe Bay Rig Workovers Workovers: Best Practices : Best Practices for Minimizing Productivity Impairment and for Minimizing Productivity Impairment and Formation Damage Formation Damage

• Ref. SPE 26042
• Ref. SPE 26042

54 54

Ven Ven-

• Trol

Trol 401 401

Case Histories Case Histories

55 55

Ven Ven-

• Trol

Trol 401 401 Case History Case History

• 9,000 ft TD well South Texas
• Typical well has severe hole problems
• Problems in swelling, sloughing, sensitive shales
• Typically circulate out fill during bit trips
• Fresh water lignosulfonate muds common
• Used Ven-Trol 401 at 4-6 lb/bbl
• Minimal fill on bit trips experienced
• Improved hole gauge--Better caliper logs
• Reduced density fluid required

56 56

Ven Ven-

• Trol

Trol 401 401 Case History Case History

• 12,000 ft wells in Alaska
• Operator previously experiencing severe hole problems
• Severe hole washouts; differentially stuck pipe
• Started use of pretreatments with 6 lb/bbl Ven-Trol 401

and regular sweeps

• Experiencing few hole problems; no stuck pipe
• Operator continues use of Ven-Trol 401 as regular

part of development well program

57 57

Ven Ven-

• Trol

Trol 401 401

Available Technical Available Technical Literature Literature

58 58

Technical Literature Technical Literature

• Product Data Sheet

Product Data Sheet

• Material Safety Data Sheet

Material Safety Data Sheet

• Bioassay Report

Bioassay Report

• Question and Answer Product Support Inf.

Question and Answer Product Support Inf.

• PowerPoint Presentation (Computer Disk)

PowerPoint Presentation (Computer Disk)

• Slide Presentation

Slide Presentation

• Laboratory Technical Reports

Laboratory Technical Reports

• Supplementary Technical Papers

Supplementary Technical Papers

59 59

Ven Ven-

• Trol

Trol 401 401

Product Data Sheet Product Data Sheet

• Detailed application information available

Detailed application information available

• Ask for one from your VCI representative

Ask for one from your VCI representative

60 60

Ven Ven-

• Trol

Trol 401 401

Material Safety Data Sheets Material Safety Data Sheets

• Detailed safety, health and handling

information available

• Ask for one from your VCI representative

61 61

Ven Ven-

• Trol

Trol 401 401

Bioassay Bioassay

• Generic Mud No. 7

Generic Mud No. 7

• 6 lb/bbl concentration

6 lb/bbl concentration Ven Ven-

• Trol

Trol 401 401

• Test Organism:

Test Organism: Mysidopsis Mysidopsis bahia bahia

• 96 hr LC

96 hr LC50

50=>1,000,000

=>1,000,000 ppm ppm

• Ask for a copy

Ask for a copy

62 62

Background Background Reading and References Reading and References

(Supplementary Technical Publications) (Supplementary Technical Publications)

63 63

Suggested Reference Material Suggested Reference Material

• Lauzon

Lauzon, R.V., “ Chemical Balance Stops Formation Damage,” , R.V., “ Chemical Balance Stops Formation Damage,” Oil Oil & Gas Journal & Gas Journal, Sept. 6, 1982, pp. 124 , Sept. 6, 1982, pp. 124-

• 126.

126.

• Mondshine

Mondshine, T.C., “New Technique Determines Oil , T.C., “New Technique Determines Oil-

• Mud Salinity

Mud Salinity Needs in Shale Drilling” Needs in Shale Drilling”

• Tschirley

Tschirley, Norman K., “Hole Stability Through Mud Technology , Norman K., “Hole Stability Through Mud Technology An Organized Approach” An Organized Approach”

• Chenevert

Chenevert, Martin E., “Shale Hydration Mechanics,” SPE Paper , Martin E., “Shale Hydration Mechanics,” SPE Paper

• No. 2401, 1969, pp. 201
• No. 2401, 1969, pp. 201-
• 207.

207.

• Newhouse

Newhouse, C.C., “Successfully Drilling Severely Depleted Sands,” , C.C., “Successfully Drilling Severely Depleted Sands,” SPE/IADC 21913, 1991, pp. 143 SPE/IADC 21913, 1991, pp. 143-

• 152.

152.

• Davis, II N. and

Davis, II N. and Tooman Tooman, C.E., “New Laboratory Tests Evaluate , C.E., “New Laboratory Tests Evaluate the Effectiveness of the Effectiveness of Gilsonite Gilsonite as a Borehole Stabilizer,” IADC/SPE as a Borehole Stabilizer,” IADC/SPE 17203, 1988, pp. 236 17203, 1988, pp. 236-

• 246.

246.

64 64

Suggested Reference Material Suggested Reference Material (cont’d) (cont’d)

• Dyke, C.G. and Crockett, D.A., “Prudhoe Bay Rig

Dyke, C.G. and Crockett, D.A., “Prudhoe Bay Rig Workovers Workovers: : Best Practices for Minimizing Productivity Impairment and Best Practices for Minimizing Productivity Impairment and Formation Damage, SPE 26042, 1993, pp. 141 Formation Damage, SPE 26042, 1993, pp. 141-

• 148.

148.

• Bills, Dave, “Remove tubular mill scale to improve completions,”

Bills, Dave, “Remove tubular mill scale to improve completions,” World Oil, World Oil, June 1993, pp. 65 June 1993, pp. 65-

• 66.

66.

• Sprunt

Sprunt, Eve S. and Wooten, Susan O., “A New Coring Fluid for , Eve S. and Wooten, Susan O., “A New Coring Fluid for Vuggy Vuggy Carbonates, Carbonates, JTP, JTP, April 1990, pp. 474 April 1990, pp. 474-

• 478.

478.

• The Capillary Suction Time Instrument for Colloid Stability

The Capillary Suction Time Instrument for Colloid Stability Testing, Venture Innovations, Inc., Houston, Texas, 1990 Testing, Venture Innovations, Inc., Houston, Texas, 1990

• The Capillary Suction Time Instruments Models I and III,

The Capillary Suction Time Instruments Models I and III, Venture Innovations, Inc., Houston, Texas, 1990 Venture Innovations, Inc., Houston, Texas, 1990

65 65

SUMMARY SUMMARY

66 66

Summary Summary

• Ven

Ven-

• Trol

Trol 401 is a novel, multi 401 is a novel, multi-

• purpose mud

purpose mud conditioner conditioner

• Ven

Ven-

• Trol

Trol 401 can reduce hole problems: 401 can reduce hole problems:

• Shale instability

Shale instability

• Seepage loss/Fluid Loss

Seepage loss/Fluid Loss

• Stuck pipe

Stuck pipe

• Lubricity

Lubricity

• Formation Damage

Formation Damage

• Minimize your rig inventory

Minimize your rig inventory

• Improve your next well profitability

Improve your next well profitability

• Give

Give Ven Ven-

• Trol

Trol 401 a try! 401 a try!

67 67

Ven Ven-

• Trol

Trol 401 401

.....One of the novel, micronized cellulose fibers from Venture Chemicals, Inc....

68 68

Is A Multi Is A Multi-

• Purpose Mud

Purpose Mud Conditioner Conditioner

Ven Ven-

• Trol

Trol 401

401

69 69

This is a

Venture Chemicals, Inc. PowerPoint Presentation

Available on 3.5 inch Disk on Request 1995

70 70

THANKS THANKS

for for YOUR YOUR time, time, YOUR YOUR attention attention and and YOUR YOUR interest in interest in

VEN VEN-

• TROL 401

TROL 401