L&TD

    1. INTRODUCTIONS

       Services

• Electrical logs: DLL, MSFL, HRI, Dipmeter, EMI.
• Radioactive logs: LDL, CNL, SGR, GR.
•  Acoustic logs: BHC, FWSL, Crossed dipole wavesonic log, Bore hole televiewer, Vertical seismic profile. 
• Others: Caliper, Deviation survey…
• Toolpusher
•  VSP (Vertical Seismic Profile)  

       Equipment

• 03 Halliburton’s Logging Units
• 04 Russian’s new-tech Logging Units
• 02 Huanding’s Logging Units

 

       Surface Logging System & Excell 2000 Application

       Excell 2000 Application

• Complete openhole logging services 
• Complete casedhole logging services
• Production logging 
• Real-time display of borehole images via the EMI ™ and CAST ™ services
• Completion services including setting packers and bridge plugs, perforating, pipe recovery, and chemical cutter 
• Verifying and evaluating stimulation, cementing, and gravel pack operations

       LOGIQ-B SURFACE LOGGING SYSTEM :

 

       The LOGIQ-B Logging System is the next generation of Data Acquisition Systems for Halliburton Wireline Logging Services. For Open Hole Services, the logging software runs under the new platform on a Rack Mount based Windows 2000 environment to provide remote controlled capabilities, real-time petrophysical data acquisition services.

        For Cased Hole Services, the Cased Hole Software running under Windows 2000 provides real time monocable data acquisition services. The LOGIQ Logging System has three main subsystems:

  •The Tool Power Subsystem

•The Tool Interface Subsystem

        •The Processing Subsystem

     Tools Specifications

• Max Temp: 3500F. Max press: 20 000 psi 
• Max hole: 24”. Min hole: 4.5”
•  High Sensitivity & Accuracy
• Logging Speed: 30 – 100 ft/min
• LDL: Full Spectral Analysis
• Dipole Sonic: 96 Full Wave Forms
• EMI: 6 independent arms, 150 sensors
• CAST-V: 200 shots/scan.

     DUAL LATEROLOG

	Deep Laterolog	Shallow Laterolog
Max Temp	350°F (175°C)

Max press	20 000 psi (137900 kPa)
Max hole	24 in (610 mm)
Min hole	4.5 in (115 mm)

Vertical Resolution	24 in. (61.0 cm)	24 in. (61.0 cm)
Depth of Investigation (50%)	60 - 84 in (154.2 - 213.4 cm)	24 - 36 in (61.0 - 91.4 cm)
Sensitivity	1% of reading	1% of reading
Accuracy, High	5%	5%
Accuracy, Low	5%	5%
Primary Curves	LLD	LLS

Secondary Curve

SP

     Dual Laterolog service provides reliable means of measuring formation resistivity in conductive borehole fluids under harsh downhole conditions.      

     Applications 

• Accurately computing hydrocarbon saturation 
• Delineating thin beds 
• Indicating permeable zones and estimating invasion diameter (when used with an appropriate Rxo measurement)
• Identifying formation fluid contacts within the reservoir
• Acquiring optimum formation resistivity measurements when the contrast between formation resistivity and borehole-fluid resistivity is very high
• Indicating fracture zones in both sedimentary and basement rock

     MICROSFERICALLY FOCUSED LOG

     Tool specification

Principle	Microsferically focused log
Max Temp	3500F (1750C)
Max Press	20 000psi (137 900 kPa)
Max hole	20 in (508 mm)
Min hole	6 in ( 152 mm)
Range	0.2-2000 Ohmm

Vertical Resolution	3 in	8 cm
Depth of Investigation (50%)	1-4 in	2.5-10 cm

Sensitivity	1% reading
Accuracy	±5%
Primary Curves	MSFL
Secondary Curve	CALIPER

      Applications

• Resistivity of flushed zone
• Locate porous and permeable zones
• Delineate thin beds
• Estimate porosity
• Movable hydrocarbon indication
• Caliper

       COMPENSATED SPECTRAL NATURAL GAMMA RAY

        Tool specifications

Principle	Gamma-ray spectroscopy
Max Temp	3500F (1750C)
Max Press	20000psi (137 900 kPa)
Max hole	20 in (510 mm)
Min hole	4.5 in (115 mm)
Vertical Resolution (90%)	Standard 36 in. (917.28 mm) Enhanced 18 in. (458.64 mm)
Depth of Investigation(50%)	4 in. (90%: 11 in.) ; 102 mm (90%: 280 mm)
Precision (1 SD)	± 3% or ± 5 API whichever is larger
Accuracy:	± 5% or ± 5 API whichever is larger
Primary Curves	GRKUT, GRKT, GRTH Uranium, Thorium, Potassium Concentrations
Secondary Curves	Fit Error, Stabilizer Counts, Noise, Source Factor, Uncertainties for each element

      Applications

• Detect producible zones
• Increase reservoir understanding
• Determine clay types, volumes, and action exchange capacity
• Locate radioactive tracers
• Identify lithology or determine average casing thickness
• Basement’s fracture zones quick indicator

       SPECTRAL DENSITY LOG

       Tool specifications

Buck Density

Pe

Pe High resolution

Max Temp	350°F (175°C)
Max Press	20000psi (137 900 kPa)
Max hole	20.75 in. (528.7 mm)
Min hole	4.5 in (115 mm)

Vertical Resolution (90%)	Standard 33in (83cm) Inhanced 5.5in (14cm)	4in (12.7cm)	2in (5.1cm)
Depth of Investigation	1.5 in. (3.8 cm)	0.5 in. (1.3 cm)	0.5 in. (1.3 cm)
Precision (1 SD)	0.37%	1.6%	5.3%

Primary Curve	RHOB, DRHO, Pe
Secondary Curve	DP e , P e Q, QLS, QSS, GR, Caliper, Standoff

     Applications

• Accurate determination of formation bulk density
• Reliable identification of formation lithology, regardless of formation fluid type
• Precise delineation of thinly bedded formations (the unfiltered Pe curve is used)
• Excellent indication of gas when used in combination with a neutron log
• Excellent effect of basement dyke identification when used in combination with a neutron log

     DUAL SPECTRAL NEUTRON

     Tool specification

Max Temp	3500F (1750C)
Max Press	20 000 psi (137 900 kPa)
Max hole	20.75 in (529 mm)
Min hole	4.5 in (115 mm)

Vertical Resolution (90%)

Standard 36 in. (917.28 mm)

Enhanced 20 in. (509.6 mm)

Depth of Investigation(50%)

6 in. (152.88 mm)

Precision (1 SD)

Low (1SD) ± 0.1 @ 3 p.u.

High (1SD) ± 0.3 @ 30 p.u.

Accuracy, Low

± 5% or ±1 p.u., whichever is larger

Primary Curves

Neutron Limestone Porosity

Near-to-Far Detector Count-Rate Ratio

Secondary Curve	Near- and Far-Detector Count Rates
Source	AmBe

     Applications

• Superior accuracy
• Repeatable results
• Improved thin bed evaluation
• Increased reservoir understanding
• Faster log runs
• Gas detection
• Dykes detection

     BOREHOLE COMPENSATED SONIC

     Tool specification

Principle

Borehole Compensated Sonic

Max Temp	3500F	1750C
Max Press	18 500 psi	127 600 kPa
Max hole	17.5 in	445 mm
Min hole	4.25 in	108 mm
Range	40-190 ms/ft	131-623 ms/m
Vertical Resolution (90%)	2ft	0.610 m
Depth of Investigation (50%)	<3 in	<76.2 mm
Sensitivity	na	na
Accuracy	±1 ms/ft	± 3 ms/m

Primary Curves

Δtε ( compressional slowness)

Secondary Curves

Φc

    Applications

• Porosity analysis
• Lithology identification
• Abnormal pressure identification
• Velocity data for seismic studies
• Fracture identification

    FULLWAVE SONIC

     Tool specifications

Approximate Overall Length    ·Standard configuration    ·Extra-Long configuration	637 in. 728 in.	16.18 m 18.49 m
Temperature Rating	400°F	204°C
Pressure Rating	20,000 psi	137 900 kPa
Recommended Hole Sizes    ·Minimum Borehole Diameter    ·Maximum Borehole Diameter	4.5 in. 20 in.	114 mm 508 mm

Transmitter    ·Type    ·Resonant Frequency	Piezoelectric, metal-covered 15 kHz
Receivers    ·Type    ·Frequency Response	Piezoelectric, metal-covered Flat from 700 Hz to 30 kHz

Transmitter-To-Receiver Offsets   Standard Configuration   Extra-Long Configuration   Short Configuration

10, 11, 12, and 13 ft 17.5, 18.5, 19.5 and 20.5 ft 3 and 5 ft

3.05, 3.35, 3.66 and 3.96 m 5.33, 5.64, 5.94 and 6.25 m 0.91 and 1.52m

     Applications

• Improved porosity estimates using both Tc, and Ts.
• Lithology identification by means of velocity ratio, Ts /Tc.
• Location of gas zones, even in poor hole conditions and cased holes
• Indication of permeability variations with depth from Stoneley wave attenuation
• Detection of naturally fractured zones
• Determination of rock elastic constants
• Estimation of formation strength and least horizontal stress
• Prediction of vertical extent of hydraulic fractures

     WAVE SONIC

     Tool specifications

Principle

Time‑slowness Δtc, Δtsxx and Δtsyy

Max Temp	350°F	175°C
Max Press	18 500 psi	127 600 kPa
Max hole	24 in	610 mm
Min hole	4.5 in	115 mm

Range

Dynamic

Vertical Resolution (90%)	6 in	15 cm
Depth of Investigation (50%)	3 to 20 ft	1 to 3m

Sensitivity	N/A
Resolution	0.2 μs
Primary Curves	Δtc, Δtsxx and Δtsyy
Secondary Curves	Vp, Vs, Φc, ITTp, ITTs Semblance quality. Slowness Anisotropy, Poisson’s ratio, Stoneley slowness

    This is an example of a semblance diagnostic plot of the waveform data from the eight waveforms. In the circle is a section of a WaveSonic log showing Monopole P wave slowness and semblance quality monopole refracted Shear wave

    The Product of Superior Technology

    WaveSonic tool service provides simultaneous monopole and crossed dipole sonic information. P‑wave and S‑wave slowness can be obtained in formation conditions ranging from poorly consolidated high porosity gas saturated sandstones to low porosity carbonates.

    Other benefits include

• Low frequency monopole and dipole sources for deeper investigations of sonic slowness measurements beyond any near wellbore alteration effects Broadband eight‑level, quad receiver array for high quality waveform data
• State‑of‑the‑art tool design is an extension of the robust Sperry‑Sun LWD BATTM Sonic
• Combinable with all openhole tools, including MRIL and RDTTM
• On‑depth, low frequency bender bar source provides a clean source signal.

• No need for dispersion corrections for slowness determination.
• No depth shifting of waveform data for anisotropy analysis.

• Robust tool isolator design allows for drill pipe conveyed operations; WaveSonic tool not limited to bottom of tool string

    SIX ARM DIPMETER

     Tool specifications

Resistivity

Azimuth

Rotation

Deviation

Caliper

Principle

*

High sample-rate accelerometer and magnetometer

6 independent

Max Temp	3500F (1750C)
Max Press	20000psi (137 900 kPa)
Max hole	20 in (510 mm)
Min hole	4.5 in (115 mm)

Vertical Resolution (90%)	0.3 in	na	na	na	na
Depth of Investigation (50%)	Formation- dependent	na	na		na
Accuracy	na	±5°	±2°	±0.5°	±0.1 in

Primary Curves	, 1-6, AZI, HAZI, DEV, ROT, CAL 1-6
Secondary Curves	Dip angle, dip AZI, borehole inclination

     Applications

• Determine magnitude and direction of formation dip
• Identify structural and stratigraphic events
• Identify fractures
• Provide drift survey
• Determine true vertical depth
• Determine exact location of bottom hole
• Provide borehole profile and cement volume calculations

    ELECTRICAL MICRO IMAGING

    Tool specification

Maximum Temperature	350°F	177°C
Maximum Pressure	20,000 psi	137 900 kPa

Measurement Range

0.2 - 5000 ohm m

Depth of investigation

Resistivity Imager	30 in.	762 mm
Dipmeter Processing	0.9 in.	23 mm
Resolution	.2 in.	5.08 mm
Maximum Hole Size	21.00 in	533 mm
Minimum Hole Size	6.25 in	159 mm

Number of Buttons	150
Number of Pads	6 (fully independent)

   IMAGING – THE KEY TO BETTER ANALISYS                               

   Real-time images are produced at the wellsite. Detailed post-acquisition analysis of the image data is made with high-performance InterView ™ analysis software. Image analysis and enhancement techniques are available for precise identification of formation reservoir characteristics, including the following:

  • Detailed stratigraphic and sedimentological analysis. Identification and Characterization of Sedimentary Features

   • Thin bed delineation

   • Fracture analysis

   • Fault Identification and Orientation

   • Identification and Orientation of Secondary Porosity

   HIGH RESOLUTION INDUCTION

   HRI Tool specification

Deep

Medium

Shallow

Max Temp	3500F (1750C)
Max Press	20 000 psi (137 900 kPa)
Max hole	4 in (102 mm)
Min hole	24 in (610 mm)
Range	0.1 to 2000 ohm.m

Vertical Resolution (90%)	12 or 24 in (30.5 or 61 cm)	12 or 24 in (30.5 or 61 cm)	<17 in (<43cm)
Depth of Investigation (50%)	91 in (231 cm)	39 in (99.06 cm)	<17 in (<43cm)
Sensitivi	±0.25 ohmm	±0.25 ohmm	±0.1ohmm
Accuracy	± 1% or ± 1 ohmm	± 1% or ± 1 ohmm	± 2%

Primary Curves	HRd, HRm, DFL, HR90, HR60, HR50, HR40, HR30, HR24
Secondary Curves	SP

     CAST-V

     Primary applications include

• Open Hole Borehole Imaging
• Fracture Detection
• Casing Inspection (Both Thickness And Diameter)
• Ultrasonic Cement Evaluation/ Imaging

     The energy levels of reflected ultrasonic wave have been used

• To locate the fracture zones
• To differentiate between open fractures and filled fractures
• To determine the geometric characteristics of fractures: dip, azimuth dip, and aperture
• In fact, surveys in basement of Cue long basin indicated that CAST-V is the most effective tool for studying basement fractures.

     HUANDING SYSTEM

     HH-2530 HARDWARE

• 530 main computer and 530 auxiliary computer constitute dual-computer system to complete 530, 520, 521 and WTC production loggings and perforating and sidewall coring.
•  The software is of OPERATIONAL SYSTEM Windows-2000 to establish an open platform.
• If the 530 main computer has trouble, the auxiliary computer can enter the system quickly through Ether net port of Network exchanger to replace the 530 main computer continue the logging task.

                         

     530-Series: High Reliability Logging Tools

     530-SERIES TOOL STRING

     TTR: Temperature/Tension/Rm Tool
     TGR: Telemetry & Gamma Ray Sub
     HAS: Hydraulic Pad-mounted Device
     SGS: Spectro Gamma Ray Sonde
     CNS: Compensated Neutron Sonde
     NEC: Common Electronic Circuit Section 1
     LDS-MFS: LDT and MSFL Combined Sonde
     BDS: Borehole Deviation Sonde
     REC: Common Electronic Circuit Section 2
     DLS: Dual Latero-logging Sonde
     HRAS: HR Sonic Sonde
     DIS: Dual Induction Sonde
     FJS: Flexible Joint Sub
     D4C: 4-independent Arm Caliper

     VERTICAL SEISMIC PROFILE

     Tool Specifications

• Up to 42 satellites                                    

• Real time data transmission

• 24bit Delta-Sigma convertors

• 180oC temperature rating Unique Active Cooling System for continuous operation at 180oC

• 20000psi pressure rating

• Up to 95m between satellites 

     TOOLPUSHER              

     Applications

• Toolpusher is a tool transport system use to convey the logging tools to the bottom of the well.
• Able to log any angel well
• Same log quality as standard tools
• Tools always attached to drillpipe
• Mud circulation past the tools
• Able to log long intervals
• Accurate depth control

 

     ROTARY SIDEWALL CORING TOOL (RSCT)                                      

 The RSCT™ tool diamond-drills cores perpendicular to the borehole wall with continuous monitoring of the coring process. After gamma ray depth positioning, a backup shoe is extended to decentralize and hold the tool securely against the formation. A diamond bit rotating at 2,000 rpm cuts a 0.9375-in OD, 1.75-in. long sample from the formation. Surface control of weight-on-bit optimizes drilling.

       RSCT Tool Features

       The RSCT tool contains the following features 

      • Allows 30 or more cores to be taken in one run   

       • Can be run on Toolpusher™ logging system or coiled tubing to acquire cores in deviated, extended reach, and horizontal wells

       • A core length indicator takes the guesswork out of core recovery

       • Stand-alone tools can be run on third-party logging units 

        RSCT Tool Benefits

       • Formations. Originally designed to recover cores in hard rock formations inaccessible with percussion tools, the RSCT can be used with equal success in soft rock formations.

       • Positive Depth Correlation. Gamma ray tool positioning provides accurate core point location.

• Drills Undistorted, Non-Micro Fractured Cores. Core samples are undistorted with consistent cylindrical geometry which allows a wide range of petrophysical testing and analysis.

       • Useful in Formation Damage Assessment. Allows for evaluation of pre-existing formation damage.

       Rotary Core Applications

       Rotary core samples collected by the RSCT tool can be used to provide

       • More accurate readings of porosity and permeability that reduce reservoir analysis variables.

       • Information useful in fine-tuning MRIL® data.

       • Reliable data for rock mechanical analysis necessary for hydraulic fracturing design, wellbore stability analysis, and sand potential prediction

       ExperienceS

• White Tiger Project: Over 300 Wells
• Dragon Project: Over 50 Wells
• Hoang Long Project (PIDC) 1 Well
• PVEP’s Projects: 10 Wells
• VRJ’s Projects: 2 Wells
• JVPC Projects: 7 Wells
• KNOC Projects: 4 Wells
• 15 – 20 Well/Year.

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