A general data Conversion factor to SI units ……………….…………..….. A1 Conversion factors…………………………………….…..… A2-A7 Decimal multiples and submultiples of a unit…………..…. A8 Decimals and metric equivalents of fraction of an inch….. A9 Temperature conversion table..…………………………….. A10 Correspondence between specifig gravity and degrees API (at 15.56 ºC in relation to water at 15.56ºC and 760 mmHg)…………………………………………..….. A11 Numerical constant and mathematical formulas………….. A12 Trigonometric formulas………………………………...……. A13 Geometry formulas for areas and volumes…………..…… A14 Inertia of plane surface………………………………………. A15 Content of horizontal cylindrical tank……………..……….. A16 Mechanics and strength of material……………..………… A17-A19 Electricity. Direct current……………………………………. A20-A21 Electricity. Alternating current………………………..…….. A22-A23 Principal chemical symbol, atomic numbers and weights………………………………………………………… A24 Specific gravity of various materials and fluids…………… A25 Physical properties of metals……………………….………. A26 Stratigraphic scale…………………………………………... A27 Buoyancy factor (Steel specific gravity = 7.85)…………... A28 B drill string standards API steel grade and properties (API Spec 5D, 3rd edition, Aug. 1,1992)(API Spec.7, 38th edition, Apr. 1, 1994)………..………………………………………. B1 API drill pipe list and body and upset geometry (API Spec 5D, 3rd edition, August 1, 1992)…..…………… B2 Upset tubing for small-diameter work string (API Standard 5A and Spec 7)(Grade N-80)…………….. B3 Classification of used drill pipe (API RP 7G, 15th edition January 1, 1995)(All sizes, weight and grades)……………………………………………….……… B4 Inspection standards. Zones and color code identification (API RP 7G, 15th edition January 1, 1995)…………………………………………………..……. B5 Recommended practice for mill slot and groove method of drill string identification (API RP 7G, 15th edition January 1, 1995)……………………….……… B6-B7 Geometric characteristics of drill pipes (New pipe bodies and tool joints)…………………………. B8-B12 New (N), premium class (P) and class2 (2) drill pipe, torsional and tensile data (API RP 7G, 15th edition, January 1, 1995)……………………………………………. B13-B15 New (N), premium class (P) and class2 (2) drill pipe, collapse and burst pressure data (API RP 7G, 15th edition January 1, 1995)……………………………… B16-B18 Recommended minimum OD* and make-up torque of weld-on type tool joints based on the torsional strength of box and drill pipe (API RP 7G, 15th edition, January 1, 1995)…………………………………………..…. B19-B23 Thread dimensions of rotary shouldered connections (API Spec 38th edition, April 1, 1994)………….…………... B24 Shouldered connections…………………………..………… B25 Dimensions of obsolete shouldered connections (API Spec 7, Appendix I)………………………….………… B26 API threads forms and dimensions (API Spec 7, 38th edition, April 1,1994)…………………………..……….. B27 Characteristics of some non_API tool joints threads…..… B28-B29 Rotary shouldered connection interchange list………..…. B30-B31 Cylindrical drill collars. Dimensions and threads (API Spec7)…………………………………………………... B32 Ideal drill collar range………………………………………... B33 Weight of drill collar (Kg/m)…………………………………. B34 Polar modulus of drill collars (in3-mm3)…………………….. B35 Drill-collar Assembly. Rigidity R…………………………..… B36 Stress-relief features for drill collar connections (API Spec 7)………………………………………….………. B37 Large-diameter drill collars from 8¾ to 11¼ inches. Shoulder modifications for low-torque connections. Dimensions of low-torque shouldered……………….…….. B38 Spiral drill collars (Drilco)……………………………………. B39 Drill collar slip and elevator recess elevator bore dimensions (API RP 7G, 15th edition, January 1, 1995)…. B40 Recommended make-up torque for rotary shouldered drill collar connections (API RP 7G, 15th edition, January 1,1995)…………………………………………….... B41-B46 Heavy wall drill pipes (Drilco, Division of Smith International, Inc.)………………………………………..…... B47-B48 Kellys (API Spec 7, 38th edition, April 1, 1994)……………. B49 Strength of Kellys (API RP 7G, 15th edition, January 1, 1995)………………………………………………..…………. B50 Stretch of suspended drill pipe…………………………..…. B51 Drill stem design calculations (API RP 7G, 15th edition, January 1,1995)……………………………………………… B52-B55 Drill stem design calculations. Calculation examples….... B56-B59 Critical buckling force (Baker Hughes INTEQ)…….…….. B60 C casing, tubing line pipe standards Tensile requirements. Casing and tubing (API Standard 5CT, 5th edition, April 1, 1995). Line pipe (API Standard 5L, April 1, 1995)……………………….…………………….. C1 Tensile requirements of special steels (non-API) (Vallourec & Mannesmann documentation)……..………... C2 API casing list (API Specification 5CT, 5th edition, April 1, 1995)…………………………………………..……... C3-C4 API tubing list (API Specification 5CT, 5th edition, April 1, 1995)………………………………………………..... C5 Drift diameter (API Standard 5CT, 5th edition, April 1, 1995)…………………………………………………. C6 Efficiency of a connection…………………………………... C7 Make-up torque………………………………………………. C8 Geometrical characteristics and mechanical properties of small-diameter tubing…………………………….………. C9-C15 Geometrical characteristics and mechanical properties of tubing…………………………………………….………… C16-C34 Geometrical characteristics and mechanical properties of casing…………………………………………….………… C35-C79 Geometrical characteristics and mechanical properties of coiled tubing…………………………………….…………. C80-C87 Geometrical characteristics and mechanical properties of line pipe, risers and conductor pipe………………..……. C88-C90 API and buttress casing thread forms. API round threads form. Buttress thread form…………………..…….. C91 API tubing thread form…………………………………..…... C92 Effect of tensile load on collapse resistance …………..…. C93 Ellipse of biaxial yeld stress. Effect of tensile load on collapse resistance……………………………………..…… C94 Qualitative influence of various operations on the stresses in a partially-cemented casing string………..….. C95 Quantitative influence of temperature and pressure variations on the stresses in a partially-cemented casing string………………………………………………..… C96-C97 D capacities and annular volumes General formulas………………………………………… D1 Clearance between standard bits and casing size…… D2-D3 Capacities of cylinders…………………………………... D4-D5 Capacities of drill pipes………………………………….. D6-D7 Capacities of drill collars………………………………… D8 Capacities and displacements of casing………………. D9-D10 Capacities and displacements of tubings……………… D11 Annular volume between drill collar and open hole (liters per meter)………………………………………….. D12 Annular volume between drill pipe and open hole (liters per meter)………………………………………….. D13 Annular volume between drill pipe and casing (liters per meter)…………………………………………. D14-D15 Annular volume between casing and open hole (liters per meter)…………………………………………. D16 Annular volume between two string of casing (liters per meter)…………………………………………. D17-D19 Annular volume between casing and tubing (liters per meter)…………….…………………………… D20-D21 Capacities of coiled tubing …..………………………… D22-D23 E drilling bits and downhole motors Common sizes and tolerance on new bits (API RP 7G, January 1, 1995)……………..……………..……………. E1 IADC roller bit classification system……………………. E2 IADC roller bit classification table (IADC/SPE 23937, February, 1992)………………………………………….. E3 How to use the roller bit table…………………………... E4 Comparison of roller bits………………………………… E5-E7 IADC fixed cutter drill bit classification system (IADC/SPE February 18-21, 1992)…………………….. E8-E9 IADC comparison of PDC bits………………………….. E10-E11 IADC comparison of TPS & natural diamonds bits ….. E12-E13 IADC dull bit grading (After IADC/SPE 23938-23939 of 1992)…………………………………………………… E14-E16 Parameters for using insert bits and friction bearings (After Baker-Hughes)……………………………………. E17 Threads and make-up torques for drill bits and coring bits (API RP 7G, January 1, 1995 - API Spec 7, April 1, 1994)…………………………………………………… E18 Turbodrill...................................................................... E19 Turbodrilling ................................................................ E20 Performance curves on turbodrill (Specific gravity d, constant flow rate Qn)……………………………………. E21 Turbodrill specifications (Specific gravity of mud 1.20) E22 Positive displacement motors………………………….. E23-E24 Performance curves of positive displacement motors for different flow rates Q………………………………… E25 Specifications of positive displacement motors (Moineau type) …………………………………………... E26-E29 F hoisting and derrick floor equipment Hoisting mechanics. Reeving function………..…………... F1 Hoisting mechanics. Power…………………………..…….. F2 API wire rope. Factor of safety (RP 9B, May 30, 1986).. F3-F4 API wire rope………………………………………………..... F5 Typical sizes and constructions of wire rope………..…….. F6-F7 API classification of bright (uncoated) or drawn galvanized wire rope. Class 6 x 7. Fiber Core (FC) (API Spec 9A, 24th edition, June 1, 1995).……………..…. F8 API classification of bright (uncoated) or drawn galvanized wire rope. Classes 6 x 19 and 6 x 37. Fiber Core (FC) (API Spec 9A, 24th edition, June 1, 1995)………………………………………………………..… F9 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 6 x 19. Independent Wire Rope Core (IWRC) (API Spec 9A, 24th edition, June 1, 1995)………………………….………. F10 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 6 x 37. Independent Wire Rope Core (IWRC) (API Spec 9A, 24th edition, June 1, 1995)………………………….………. F11 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Configurations (API Spec 9A, 24th edition, June 1, 1995)…………….….. F12-F13 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 6 x 61. Independent Wire Rope Core (IWRC) (API Spec 9A, 24th edition, June 1, 1995)……………………………..……. F14 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 6 x 91. Independent Wire Rope Core (IWRC) (API Spec 9A, 24th edition, June 1, 1995)………………………..…………. F15 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 8 x 19. Independent Wire Rope Core (IWRC) (API Spec 9A, 24th edition, June 1, 1995)……………………………..……. F16 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 18 x 7. Fiber Core (FC). (API Spec 9A, 24th edition, June 1, 1995)………………………………………..………………… F17 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Class 19 x 7. Metal Core. (API Spec 9A, 24th edition, June 1, 1995).…. F18 API classification of bright (uncoated) or drawn galvanized wire rope (continued). Classes 6 x 25 “B”, 6 x 27 “H”, 6 x 30 “G” and 6 x 31 “V” (API Spec 9A, 24th edition, June 1, 1995)……………….……………….…. F19 API wire rope. Sheave sizes (API RP 9B, May 30, 1986)……………………………………….……………….…. F20 Sheave grooves. (API Spec 8A, 12th edition, June 1, 1992)……………………………………..……………………. F21 Work done by a drilling line………………………………..... F22 Cutoff practice for drilling lines. Cutoff length as a function of derrick or mast height and drum diameter (API RP 9B, 9th edition, may 30, 1986)…………………….. F23 Cutoff practice for drilling lines (continued). Cumulative work before first cut-off (API RP 9B, 9th edition, May 30, 1986)………………………………………………… F24 Drum and reel capacity (from IADC Drilling Manual)…….. F25 Elevator link arms. Remaining capacities of work link arms. Dimensions and nominal capacity of link arms (per set)………………………………………………….……. F26 Recommended hoisting tool contact surface radii (API Spec 8A, 12th edition, June 1, 1992)…………….…… F27-F29 Drill pipe elevators bores (API Spec 8A, 12th edition, June 1, 1992)……………………………………………..….. F30 Brake blocks………………………………………………...... F31 Vibrator and drilling hose (API Spec 7K, 2nd edition, February, 1996)……………….. F32-F33 Chains (API Standard 7F, 5th edition, October 1, 1993)…. F34 Chains (continued). Standard chain dimensions (ANSI Standard, B29.1)…………………………………..…………. F35 Chains (continued)………………………………………..…. F36 Rotary table opening and square drive master bushing (API Spec 8C, 2nd edition, June 1, 1992)………………….. F37 Four-pin drive Kelly bushing and master bushing (API Spec 8C, 2nd edition, June 1, 1992)…………….……. F38 Tension in slings. Two-wire slings……………………..….. F39 G pumping and pressure losses Mud pumps……………..…………………………………….. G1 Pumping power……………..………………………………... G2 Output in liters per stroke double acting duplex pumps based on liner size and piston rod diameter……..……….. G3-G4 Triplex pumps. Maximum pressure based on liner (kPa)…………………………………………………………... G5 Output in liters per stroke of single acting triplex pumps (Volumetric efficiency 100%)………………..…….. G6 Mud cycle time……………………………………………..… G7 Circulation flow rate (l/min) as a function of mud rising velocity opposite drill pipes (Vr in meters per minute) and hole / pipe annulus (Va in liters per meter)……….….. G8-G9 Amount of drilled cuttings in mud………………..…………. G10 Annular mud specific gravity dann…………………….....….. G11 Hydraulics…………………………………………………….. G12 Rheology…………………………………………………....… G13 Critical velocity based on rheological parameters (Practical units)…………………………………………...….. G14 Pressure losses (General)…………………….…………….. G15 Pressure loss equations…………………………………...... G16-G18 Pressure drop in orifices…………………….………….…… G19 Calculation of the bit nozzle velocity……………..……….. G20 Pressure loss calculation………………..…...…….…..….. G21-G22 Table of coefficients B……………………….…..……….... G23-G29 Table of coefficients N1. Calculation of pressure losses in surface equipment………………………..….…… G30 Table of coefficients N2. Calculation of pressure losses in drill pipes………………………………..…….…... G31-G44 Table of coefficients N3. Calculation of pressure losses in drill collars…………………..…………….………. G45-G46 Calculations of pressure drop in nozzles. Combination of three nozzles…………………………………….………… G47-G52 Calculations of pressure drop in nozzles. Combination of two nozzles…………………………………..….………… G53-G55 Table of nozzle areas. Combinations of three nozzles….. G56 Table of nozzle areas. Combinations of two nozzles……. G57 Table of nozzle areas………………………….……………. G58 Table of coefficients N4. Calculations of pressure loss in hole/drill collar annulus…………………………………… G59-G63 Table of coefficients N5. Calculation of pressure loss in hole/pipe annulus……………………….………………… G64-G67 Equivalent lengths for special line connections (in meter)…………………………………………………….. G68 H drilling mud Relationship between mud weight and pressure head of mud………………….………………….……….. H1 Increase of mud specific gravity with barite (d = 4.2) Weight (in kg) of barite to add to 1 m3 of mud (M)….... H2 Increase of mud specific gravity with calcium carbonate (d = 2.65). Weight (in kg) of calcium carbonate to add to 1 m3 of mud (M)………..………….. H3 Mud specific gravity reduction with water (d = 1) Water volume in liters to add to 1 m3 of mud (M).……. H4 Mud specific gravity reduction with oil (d = 0.85) Oil volume in liters to add to 1 m3 of mud (M)………… H5 Final volume VF (in liters) after adding weighting material of specific gravity da to 1 m3 of mud. Ma weight of weighting material added (kg/m3)…...….. H6 Mud volume (in liters) required to prepare 1 m3 of mud weighted with barite (d = 4.2)…………………….. H7 Ternary diagram for determining solid content of mud (water base muds)………………………………..……… H8 Ternary diagram m for determining solid content of mud (saturated salt water mud)…………………..……. H9 Properties of sodium chloride solutions……………….. H10 Properties of calcium chloride solutions………….……. H11 Properties of potassium chloride solutions………...….. H12 Properties of sodium carbonate (Na2CO3) solutions…. H13 Properties of potassium carbonate (K2CO3) solutions.. H14 Properties of sodium bromide (NaBr) solutions…..….. H15 Effect of temperature on densities of calcium chloride and sodium chloride solutions (Field Data Handbook, Dowel Schlumberger)……………………………………. H16 Grain size classification of solids (1µ = 0.000001 m) H17 Shale shaker screens…………………………….……… H18 Screen standards…………………………….………….. H19 Air/gas flow rate required for drilling. Data for calculating approximate circulation rates required to produce a minimum annular velocity which is equivalent in lifting power to a standard air velocity of 914 m/min (3000 ft/h)…………………………..…….. H20 I cementing General data units commonly used in cementing…...…. I1 Correlation between sacks and tons of cement……..……. I2 API cement classes and types (API Spec 10, 5th edition, July 1, 1990)……………………………….…... I3 API Specifications for cements (API Spec 10, 5th edition, July 1, 1990)…………………………..…..…….. I4 Preparation of freshwater slurry………………..…………... I5 Cement slurry (freshwater)………………………………..… I6 Preparation of one cubic meter of freshwater cement slurry……………………………………………………..……. I7 Preparation of salt water slurry (Brine 315 g/l, d = 1.20)…………………………..……………………….….. I8 Cement slurry (saturated salt-water), (Brine 315 g/l, d = 1.20)………………………………………………...…….. I9 Preparation of one cubic meter of saturated salt-water slurry………………………………………………..……...….. I10 Preparation of bentonite cements………..………………… I11-I12 Bentonite cement slurry. Class G (per 100 kg of cement)………………………………………………..………. I13 Preparation of one cubic meter of bentonite cement slurry - Class G cement……………………..…………………….... I14 Preparation of weighted cements…………………..………. I15 Cementing additives……………………………..…………... I16-I18 Effects of some additives on cement properties…..……… I19 Slurry displacement………………………………..………… I20-I21 Bottomhole cementing temperature by depth (API RP 10B, 22nd edition, December, 1997)…………….. I22 J directional drilling Reference coordinates………………………………..…….. J1-J2 Radius of curvature and project in the vertical plane…..… J3 Calculation of characteristic points of the theoretical vertical profile. J hole : D < R…………..………………….. J4-J5 Calculation of characteristic points of the theoretical vertical profile. J hole : D > R……………..……………….. J6-J7 Calculation of characteristic points of the theoretical vertical profile. S hole : R1 + R2 < D…………..……….….. J8-J9 Calculation of characteristic points of the theoretical vertical profile. S hole : R1 + R2 > D……………..…..……. J10-J11 Theoretical vertical profile. Rate of buildup: 0.50 deg/10 m………………………………………….…….. J12 Theoretical vertical profile (continued). Rate of buildup: 1.00 deg/10 m………………………………………………… J13 Theoretical vertical profile (continued). Rate of buildup: 1.50 deg/10 m…………………………….………………….. J14 Theoretical vertical profile (continued). Rate of buildup: 2.00 deg/10 m………………………………………….…….. J15 Theoretical vertical profile (continued). Rate of buildup: 2.50 deg/10 m………………………………….…..………… J16 Ragland diagram…………………………………...………… J17-J18 Control of actual hole shape. Calculation of projections……………………………………………..……… J19 Control of actual hole shape. Different calculation formulas…………………………………………………….…. J20-J21 Course correction………………………….…………….…… J22-J23 Radius of borehole curvature limitation on downhole tools………………………………………………....….……... J24-J25 K kick control fishing Main symbols used…………..……………………..……….. K1-K2 Preliminary calculations…………..…………..…………….. K3 Driller’s procedures…………………..……………..……….. K4-K5 Calculation after well shut-in……………...…………..…….. K6 Driller’s method on land or on fixed support…...………….. K7 Wait and weight method on land or on fixed support…..… K8 Wait and weight method on floating support (Example without kick assembly)…………………….…….. K9 Control on a floating rig……………………………………... K10 Well strength…………………………………….……..…….. K11-K12 Charts giving coefficient K and gas specific gravity…..…. K13 Example of kick control………………………..……………. K14-K17 Determination of the length of free pipe in a stuck string………………………………………………. K18-K19 Maximum allowable number of turns which can be given to 1000 m of new drill pipe under a given axial tension (Grade E drill pipe)………..………... K20 Maximum allowable number of turns which can be given to 1000 m of new drill pipe under a given axial tension (Grade X95 drill pipe)………………………………...……… K21 Maximum allowable number of turns which can be given to 1000 m of new drill pipe under a given axial tension (Grade G105 drill pipe)……..……… K22 Maximum allowable number of turns which can be given to 1000 m of new drill pipe under a given axial tension (Grade S135 drill pipe)……….…….. K23 Back-off……………………………………………………..… K24 Tool joint matting surface area (API Spec 7, April 1, 1994)………………………………….. K25 L wellheads API flanges. Working pressure as a function of nominal size (API Spec 6A, 17th edition, February 1 , 1996)……..……………………………………………………. L1 Physical properties of steel for wellheads (PSL 1 to 4) API Spec 6A, 17th edition, February 1, 1996)……..………. L2 Minium vertical full-opening body bores and maximum casing sizes (API Spec 6A, 17th edition, February 1, 1996)……………………………….…………… L3 API type 6B flanges. Working pressure 2000 psi (13.8 Mpa) (API Spec 6A, 17th edition, February 1, 1996) ………………………………………………………..… L4 API type 6B flanges. Working pressure 3000 psi (20.7 MPa) (API Spec 6A, 17th edition, February 1, 1996)………………………………………………..…………. L5 API type 6B flanges. Working pressure 5000 psi (34.5 MPa) (API Spec 6A, 17th edition, February 1, 1996)……………………………………………….………….. L6 API type 6BX flanges. Working pressures: 2000 psi (13.8 MPa), 3000 psi (20.7 MPa), 5000 psi (34.5 MPa) and 10 000 psi (69 MPa) (API Spec 6A, 17th edition, February 1, 1996)………………………..………………….. L7 API type 6BX flanges. Working pressures: 2000 psi (13.8 MPa), 3000 psi (20.7 MPa), 5000 psi (34.5 MPa) and 10 000 psi (69 MPa) (API Spec 6A, 17th edition, February 1, 1996)……………………..……………………... L8 API type 6BX flanges. Working pressure: 15 000 psi (103.5 MPa), (API Spec 6A, 17th edition, February 1, 1996)…………………………………………..………………. L9 API type 6BX flanges. Working pressures: 20 000 psi (138 MPa), (API Spec 6A, 17th edition, February 1, 1996)…………………………………………………………... L10 API Type R ring-joint gaskets. (API Spec 6A, 17th edition, February 1, 1996)…………………………….... L11 API Type RX ring-joint gaskets (API Spec 6A, 17th edition, February 1, 1996)……………………….……... L12 API Type BX ring-joint gaskets. (API Spec 6A, 17th edition, February 1, 1996)…………………...…………. L13 Recommended flange bolt torque…………………….……. L14 API Type 16B integral hub connections (API Spec 6A, 1st edition, November 1, 1986)………………………...……….. L15-L17 Clamp for flanges. Clamp dimensions (Cameron)…...….. L18 CIW clamp for flanges. Make-up torque on bolts of CIW clamps……………………………………………..…. L19 Cameron Ram-Type blow-out preventers Operating data……………………………..………..……….. L20 Hydril Ram-Type blow-out preventers Operating data……………………………………………….. L21-L22 NL Shaffer blow-out preventers. Operating data………… L23 Koomey Ram-Type blow-out preventers. Operating data…………………………………….…………. L24 Cameron ram-type blow-out preventers. Dimensions and weights…………………………………….. L25 Hydril ram-type blow-out preventers. Dimensions and weights………………………….…………. L26 NL Shaffer ram-type blow-out preventers. Dimensions and weights…………………………………….. L27-L29 Koomey ram-type blow-out preventers. Dimensions and weights…………………………………….. L30-L31 Cameron type D annular blow-out preventers . Dimensions and operating data……………..…………..…. L32 Hydril annular blow-out preventers. Dimensions and operating data………………...………….. L33-L34 Hydril annular blow-out preventers. Average closing pressure (psi) required to establish initial seal-off in a surface installation……………………………………… L35-L37 NL Shaffer annular blow-out preventers. Dimensions and operating data. Closing pressure on casing (psi)…... L38 BOP control system. Example of calculations for fluid capacity (IADC Drilling Manual, 11th edition, 1992)………. L39-L41 Schematic symbols for fluid power diagrams (Bases on ANSI Y.32.10) (API Spec 16D, 1st edition, March 1, 1993)……………………………………………….. L42-L46 M geology Tertiary and quaternary cenozoic eras……..……………… M1 Secondary Mesozoic era.................................................... M2 Primary paleozoic era………………………………...…..…. M3 Table of grain size classes……………………..………..….. M4 Representation of sediments…………………..…………… M5-M6 Exploration symbols in drilling……………………..…..…… M7 Gases present in drilling muds and detected by chromatography………………………………………...……. M8 Physical properties of H2S………………………………..… M9 Pore pressure………………………………………………... M10 Fracturing gradient and leak off test………………………. M11 Abbreviations used in wireline logging – Halliburton……. M12-M13 Abbreviations used in wireline logging – Schlumberger………………………………………………… M14-M15 Abbreviations used in wireline logging - Western Atlas…. M16-M17