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Modifications Log (ModLog) - 2008 Archive

Additions, updates, changes, and corrections to www.logwell.com are listed here; very minor changes and corrections are usually omitted for page space economy.  Also check What's New for announcements and press releases.  See our Subject Index, Page Title Index, and Search Page, in addition to the conventional navigation bars at the bottom of all pages, to navigate this website and find what you seek.  Finally, visit our Navigation Tips if you are new to "surfing".

01-01-2008
Created 2007 ModLog Archive.
Updated copyright notices.
Changes to
AnaLog Tech & Tips (menu).

01-02-2008
Changes to Well Logging Equipment Photos (menu).
Changes to Selected CCL Photographs.
Changes to Halliburton Rotary Sidewall Coring Tools.

02-02-2008
Updated Repair Vacuum Tube (Valve) Stock.

02-08-2008
Changes to Repair Parts Stock Menu.
Updated Repair Hybrid Devices.
Updated Repair Transistor Stock.
Updated Repair Transistor ECG / NTE Reverse Cross.

02-12-2008
Changes to Surplus (Cheap) Electronics.

02-14-2008
Updated Repair Transistor Stock.
Updated Repair Transistor ECG / NTE Reverse Cross.

03-13-2008
Changes to  Standard EIA Decade Resistor Values Table.

03-18-2008
Changes to the layout of this page.

04-01-2008
New country visiting in March:  Montserrat.
Changes to What's New.

04-15-2008
Added 106 Radiation Tool Printed Circuit Boards (PCBs).
Changes to What's New.
Changes to Repair Parts Stock Menu.
Changes to Products (menu).
Changes to Service Tips (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to
AnaLog Tech & Tips (menu).
Changes to Services & Capabilities (menu).
Changes to Downhole Tools.

04-16-2008
Added 106CCL1.sch (pdf schematic).
Added GOCCL-2a.sch (pdf schematic).
Added GOPS-2a.sch (pdf schematic).
Added 106PD1.sch (pdf schematic).
Added 106PD3.sch (pdf schematic).
Added 106GMP1.sch (pdf schematic).
Added 106DR1.sch (pdf schematic).
Added 106DR2.sch (pdf schematic).
Added 106AC1.sch (pdf schematic).
Added 106LD3.sch (pdf schematic).
Added 106LD4.sch (pdf schematic).
Added 106BK2.sch (pdf schematic).
Added CBLUBK4.sch (pdf schematic).
Added 106PD-1 (pdf PCB).
Changes to Schematics (menu).
Changes to 106 Radiation Tool PCBs (submenu).

04-18-2008
Added Printed Circuit Boards (PCBs) (menu).
Changes to
AnaLog Home Page (v10.8).
Changes to Repair Parts Stock Menu.
Changes to Products (menu).
Changes to Schematics (menu).
Changes to Services & Capabilities (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to What's New.
Changes to Downhole Tools.
Changes to
AnaLog Site Map.
Changes to Application Notes.
Changes to Surface Electronics.
Changes to Exotic Items / Custom Work.
Updated Repair Vacuum Tube (Valve) Stock.

04-19-2008
Changes to
AnaLog Tech & Tips (menu).
Changes to Service Tips (menu).
Changes to Caliper Logging (menu).
Changes to Nuclear Logging (menu).
Changes to Surface Hardware (menu).
Changes to Downhole Hardware (menu).
Changes to Temperature Logging (menu).
Changes to Cement Bond Logging (menu).
Changes to Casing Collar Locator (CCL) (menu).
Changes to High Voltage Woes.
Changes to High Voltage Tips & Tricks.
Changes to A Few
AnaLog Printed Circuit Boards (PCBs).

04-21-2008
Added Cement Bond Log Related PCBs (submenu).
Added CBLAmp1.sch (pdf schematic).
Added CBLF1.sch (pdf schematic).
Added SESEa.sch (pdf schematic).
Changes to High Voltage (menu).
Changes to High Temperature (menu).
Changes to Perforating and Explosives (menu).
Changes to Printed Circuit Boards (PCBs) (menu).

04-22-2008
Added Casing Collar Locator (CCL) PCBs (submenu).
Added CCL-2a.sch (pdf schematic).
Added CCL-NCB.sch (pdf schematic).
Added CCLF1.sch (pdf schematic).
Added CCLM1a.sch (pdf schematic).
Changes to Printed Circuit Boards (PCBs) (menu).

04-24-2008
Added High Voltage Related PCBs (submenu).
Added Solitron BHA-0004 Amp Clone PCBs.
Changes to Printed Circuit Boards (PCBs) (menu).
Changes to What's New.
Changes to Surface Electronics.
Changes to  Repair Hybrid Devices.
Changes to Al Biggs' Magical Stat Eliminator.

04-26-2008
Added 106HVRF1.sch (pdf schematic).
Added 106HVRF2.sch (pdf schematic).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to Classifieds.

05-07-2008
Changes to Cement Bond Log Related PCBs (submenu).

05-12-2009
Added 106LVPS1.sch (pdf schematic).
Changes to 106 Radiation Tool PCBs (submenu).

05-15-2008
Added 106DB1.sch (pdf schematic).
Changes to 106 Radiation Tool PCBs (submenu).

05-16-2008
Added 106HVPS5a.sch (pdf schematic).
Added Divide By and Doubler Circuits (submenu).
Added Downhole Power Supply Circuits (submenu).
Changes to Products (menu).
Changes to Schematics (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).

05-19-2008
Added 106HVF1.sch (pdf schematic).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to Downhole Power Supply Circuits (submenu).
Changes to 106HVRF1.sch (pdf schematic).
Changes to 106HVRF2.sch (pdf schematic).

05-21-2008
Added 106PD4.sch (pdf schematic).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to Downloads.

05-24-2008
Added CCL Schematics (submenu).
Added Shooting Schematics (submenu).
Added CCLB2a.sch (pdf schematic).
Changes to Schematics (menu).
Changes to Bond Kill Schematics (submenu).
Changes to Line Driver Schematics (submenu).
Changes to Dummy Line Schematics (submenu).
Changes to Shooting CCL Meters / Amps (submenu).
Changes to Anti-Coincidence Schematics (submenu).
Changes to Downhole Logging CCL Amps (submenu).
Changes to Rad Tool Preamp Schematics (submenu).
Changes to DH Power Supply Schematics (submenu).
Changes to Gadgets & Gizmo Schematics (submenu).
Changes to GO/MLS COSMOS Schematics (submenu).
Changes to Bond Receiver Amp Schematics (submenu).
Changes to Casing Collar Locator (CCL) PCBs (submenu).
Changes to Divide-By and Doubler Schematics (submenu).

05-27-2008
Added Test Equipment Schematics (submenu).
Updated Test, Repair, and Research Equipment.
Changes to
AnaLog Tech & Tips (menu).
Changes to Schematics (menu).
Changes to Service Tips (menu).
Changes to High Voltage (menu).
Changes to Nuclear Logging (menu).
Changes to Surface Hardware (menu).
Changes to Downhole Hardware (menu).
Changes to Cement Bond Logging (menu).
Changes to Perforating and Explosives (menu).
Changes to Casing Collar Locator (CCL) (menu).
Changes to Dummy Lines.
Changes to CCL Overview.
Changes to High Count Rates.
Changes to High Voltage Woes.
Changes to High Voltage Tips & Tricks.
Changes to Downhole CCL Amplifier Notes.
Changes to Cement Bond Logging Overview.
Changes to Al Biggs' Magical Stat Eliminator.
Changes to Anti-Coincidence Considerations.
Changes to Simultaneous Gamma Ray / SIE CBL.
Changes to GO / GOI / MLS COSMOS Tool Notes.

05-28-2008
Changes to Classifieds.
Changes to What's New.
Changes to
AnaLog Links.
Changes to Downhole Tools.
Changes to Temperature Sensors.
Changes to Tek-Co Tools From
AnaLog.
Changes to New Downhole Well Logging Tool Sales.
Changes to History of Logging Equipment Manufacturers.

5-29-2008
Added Temperature Log Related PCBs (submenu).
Changes to Temperature Logging (menu).
Changes to Printed Circuit Boards (PCBs) (menu).

06-05-2008
Added Voltage-to-Frequency Converter Schematics (sm).
Added VFC1.sch (pdf schematic).
Added 106LVPS2.sch (pdf schematic).
Changes to Schematics (menu).
Changes to Surface Hardware (menu).
Changes to Downhole Hardware (menu).
Changes to Temperature Logging (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to DH Power Supply Schematics (submenu).
Changes to Temperature Log Related PCBs (submenu).
Changes to
AnaLog Links.

06-06-2008
Changes to High Voltage (menu).
Changes to Caliper Logging (menu).
Changes to Nuclear Logging (menu).
Changes to High Temperature (menu).
Changes to Cement Bond Logging (menu).
Changes to Perforating and Explosives (menu).
Changes to Casing Collar Locator (CCL) (menu).

06-23-2008
Updated Test, Repair, and Research Equipment.

07-05-2008
Added PMT Voltage Divider Schematics (submenu).
Added 106PMT1.sch (pdf schematic).
Added 106PMT1A.sch (pdf schematic).
Added 106PMT2.sch (pdf schematic).
Added 106PMT2A.sch (pdf schematic).
Added 106PMT3.sch (pdf schematic).
Added 106PMT3A.sch (pdf schematic).
Changes to Schematics (menu).
Changes to High Voltage (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to AnaLog's Photomultiplier Tube (PMT) List.

07-10-2008
Added 106PMT4.sch (pdf schematic).
Added 106PMT4A.sch (pdf schematic).
Changes to Contact Us.
Changes to
AnaLog Site Map.
Changes to
AnaLog Home Page (v10.9).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to PMT Voltage Divider Schematics (submenu).

07-12-2008
Changes to GO / GOI / MLS.
Changes to Schematic and Manual Availability.
Changes to History of Logging Equipment Manufacturers.

07-14-2008
Changes to Teflon Wire Trivia.
Changes to Tools and Stuff We Like.
Changes to Surplus (Cheap) Electronics.

07-23-2008
Updated Test, Repair, and Research Equipment.

07-28-2008
Added 106LD5.sch (pdf schematic).
Revised 106DB1.sch (pdf schematic).
Changes to Line Driver Schematics (submenu).
Changes to 106 Radiation Tool PCBs (submenu).

07-30-2008
Changes to Downhole Hardware (menu).
Changes to Dummy Lines / Wireline Characteristics.

08-11-2008
Updated Repair Vacuum Tube (Valve) Stock.

09-03-2008
Added 106HVM1.sch (pdf schematic).
Added 106HVM2.sch (pdf schematic).
Revised 106HVPS5c (pdf schematic).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to Downhole Power Supply Circuits (submenu).

09-06-2008
Added Selected 106 Radiation Tool™ PCBs (pics).
Changes to Well Logging Equipment Photos (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to Casing Collar Locator (CCL) PCBs (submenu).
Changes to A Few
AnaLog Services PCBs (pics).

09-08-2008
Changes to 106 Radiation Tool PCBs (submenu).
Changes to Selected 106 Radiation Tool™ PCBs (pics).

09-10-2008
Added Printed Circuit Board (PCB) Photographs (menu):
   106HVPS-5 High Voltage Power Supply PCB.
   106HVRF-1 High Voltage Regulator and Filter PCB.
   106PD-1 Non-Inverting Preamp and Discriminator PCB.
   106PD-3 Inverting Preamp and Discriminator PCB.
   106PD-4 Inverting Preamp and DC Discriminator PCB.
   106AC-1 Anti-Coincidence PCB.
   106BK-2 Bond Kill PCB.
   UBK-4 Universal Bond Kill PCB.
   106LD-3 Dual Channel Pulse Former / Line Driver PCB.
   106LD-5 Single Channel Pulse Former / Line Driver PCB.
   106CCL-1 Downhole CCL Amplifier PCB.
   CCL-2a / PS-2a GO COSMOS CCL Amp Upgrade PCB.
Added Photographs (submenu).
Changes to
AnaLog Tech & Tips (menu).
Changes to Resources and Links (menu).
Changes to Printed Circuit Boards (PCBs) (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to Cement Bond Log Related PCBs (submenu).
Changes to Casing Collar Locator (CCL) PCBs (submenu).
Changes to Selected 106 Radiation Tool™ PCBs (pics).

09-11-2008
Added Shooting CCL Meter Beeper PCB.
Added Improved CCL Meter Surface Amplifier PCB.
Changes to Printed Circuit Board Photographs (menu).
Changes to Casing Collar Locator (CCL) PCBs (submenu).
Changes to 106CCL-1 or CCL-2a DH CCL Amplifier PCB.
Changes to CCL-2a / PS-2a COSMOS CCL Amp Upgrade.

09-12-2008
Added BAMP-1 or 4091 Cement Bond Tool Amplifier PCB.
Changes to Products (menu).
Changes to Schematics (menu).
Changes to
AnaLog Tech & Tips (menu).
Changes to Services & Capabilities (menu).
Changes to Printed Circuit Boards (PCBs) (menu).
Changes to Photographs (submenu).
Changes to Temperature Log Related PCBs (submenu).
Changes to Cement Bond Log Related PCBs (submenu).
Changes to
AnaLog Site Map.
Changes to Application Notes.
Changes to Selected 106 Radiation Tool™ PCBs (pics).
Listed PCB Details and Photographs on T&T submenus.

09-13-2008
Added 106DR-1 or 106DR-2 Divide-By Circuit PCB.
Added 106GMP-1 Geiger-Müeller Tube Preamp PCB.
Changes to PCB Details and Photographs (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to 106HVPS-5 High Voltage Power Supply PCB.
Changes to 106HVRF-1 HV Regulator and Filter PCB.
Changes to 106PD-1 Non-Invt. Preamp and Discrim. PCB.
Changes to 106PD-3 Inverting. Preamp and Discrim. PCB.
Changes to 106PD-4 Invt. Preamp and DC Discrim. PCB.
Changes to 106AC-1 Anti-Coincidence PCB.
Changes to UBK-4 Universal Bond Kill PCB.
Changes to 106BK-2 Bond Kill PCB.
Changes to 106LD-5 One Channel Pulse Former / LD PCB.
Changes to 106LD-3 Two Channel Pulse Former / LD PCB.
Changes to 106CCL-1 or CCL-2a DH CCL Amplifier PCB.
Changes to CCL-2a / PS-2a COSMOS CCL Amp Upgrade.
Changes to BAMP-1 or 4091 CBT Amplifier PCB.

09-19-2008
Added 106LD-4 Two Channel Simple Line Driver PCB.
Added 106LVPS-1 or 106LVPS-2 LV Power Supply PCB.
Changes to PCB Details and Photographs (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to Temperature Log Related PCBs (submenu).
Revised 106LD4.sch (pdf schematic).
Changes to BAMP-1 or 4091 CBT Amplifier PCB.
Changes to 106GMP-1 Geiger-Müeller Tube Preamp PCB.
Changes to 106PD-3 Inverting. Preamp and Discrim. PCB.

09-20-2008
Added 106PMT-1, 2, 3, or 4 PMT Voltage Divider PCB.
Changes to PCB Details and Photographs (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to 106BK-2 Bond Kill PCB.
Changes to 106LVPS-1 or 106LVPS-2 LVPS PCB.
Changes to 106LD-5 One Channel Pulse Former / LD PCB.

09-22-2008
Added 106DB-1 Pulse Doubler PCB.
Added 106HVF-1 High Voltage Filter PCB.
Added
CCL-NCB Downhole CCL Amplifier PCB.
Added 106HVRF-2 High Voltage Neon Booster PCB.
Added 106HVM-1 or 106HVM-2 Aux. HV Multiplier PCB.
Changes to PCB Details and Photographs (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to High Voltage Related PCBs (submenu).
Changes to Casing Collar Locator (CCL) PCBs (submenu).
Changes to A Few
AnaLog Services PCBs (pics).
Changes to Selected 106 Radiation Tool™ PCBs (pics).

09-24-2008
Changes to 106HVM-1 or 2 Aux. HV Multiplier PCB.
Revised 106HVM1.sch (pdf schematic).
Revised 106HVM2.sch (pdf schematic).

09-27-2008
Revised 106DR1.sch (pdf schematic).
Revised 106DR2.sch (pdf schematic).
Revised 106LVPS1.sch (pdf schematic).
Revised 106LVPS2.sch (pdf schematic).

09-30-2008
Changes to PCB Details and Photographs (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to 106DB-1 Pulse Doubler PCB.
Changes to 106HVF-1 High Voltage Filter PCB.

Changes to CCL-NCB Downhole CCL Amplifier PCB.
Changes to 106DR-1 or 106DR-2 Divide-By Circuit PCB.
Changes to 106HVRF-2 High Voltage Neon Booster PCB.
Changes to A Few
AnaLog Services PCBs (pics).
Changes to Selected 106 Radiation Tool™ PCBs (pics).

10-04-2008
Changes to 106 Radiation Tool PCBs (submenu).

11-06-2008
Added VFC2a.sch (pdf schematic).
Added VFC2b.sch (pdf schematic).
Added 106LVPS3.sch (pdf schematic).
Revised 106LD3.sch (pdf schematic).
Revised 106LVPS1.sch (pdf schematic).
Revised 106LVPS2.sch (pdf schematic).
Changes to PCB Details and Photographs (menu).
Changes to 106 Radiation Tool PCBs (submenu).
Changes to V-F Converter Schematics (submenu).
Changes to Temperature Log Related PCBs (submenu).
Changes to Downhole Power Supply Circuits (submenu).
Changes to 106LVPS-1, 106LVPS-2, or 106LVPS-3 PCB.

11-07-2008
Changes to
AnaLog Links.

11-08-2008
Revised 106CCL1.sch (pdf schematic).

11-24-2008
Added VFC-2 Voltage to Frequency Converter PCB.
Revised 106LD3.sch (pdf schematic).
Revised 106LD5.sch (pdf schematic).
Changes to PCB Details and Photographs (menu).
Changes to Temperature Log Related PCBs (submenu).
Changes to A Few
AnaLog Services PCBs (pics).
Changes to Downhole Tools.
Changes to Temperature Sensors.
Changes to Temperature Logging Overview.

11-26-2008
Added VFC2d.sch (pdf schematic).
Revised 106LVPS3.sch (pdf schematic).
Revised 106CCL1.sch (pdf schematic).
Revised 106LD3.sch (pdf schematic).
Revised 106LD5.sch (pdf schematic).
Revised VFC2a.sch (pdf schematic).
Revised VFC2b.sch (pdf schematic).
Changes to V-F Converter Schematics (submenu).
Changes to Temperature Log Related PCBs (submenu).
Changes to 106CCL-1 Downhole CCL Amplifier PCB.
Changes to VFC-2 Voltage to Frequency Converter PCB.
Changes to 106LVPS-1, 106LVPS-2, or 106LVPS-3 PCB.
Changes to 106LD-3 Two Channel Pulse Former / LD PCB.
Changes to 106LD-5 One Channel Pulse Former / LD PCB.

11-27-2008
Updated Repair Vacuum Tube (Valve) Stock.
Changes to 106HVM-1 or 2 Aux. HV Multiplier PCB.
Changes to VFC-2 Voltage to Frequency Converter PCB.
Changes to 106LVPS-1, 106LVPS-2, or 106LVPS-3 PCB.

11-28-2008
Changes to all pages listed under PCB Details and Photographs (menu).

12-02-2008
Changes to Temperature Log Related PCBs (submenu).
Changes to 106HVM-1 or 2 Aux. HV Multiplier PCB.
Changes to VFC-2 Voltage to Frequency Converter PCB.
Changes to A Few
AnaLog Services PCBs (pics).
Changes to Downhole Tools.
Changes to Temperature Logging Overview.

12-08-2008
Added Ceramic Capacitors.
Changes to Electronic Components (menu).
Changes to Electronic Component ID and Data Menu.

12-11-2008
Changes to Introduction.

12-13-2008
Changes to Temperature Sensors.

12-15-2008
Changes to High Temperature (menu).

12-16-2008
Revised 106LVPS3.sch (pdf schematic).

12-18-2008
Added Selected Temperature Tool Photographs.
Changes to Temperature Logging (menu).
Changes to Casing Collar Locator (CCL) (menu).
Changes to Well Logging Equipment Pictures (menu).
Changes to CCL Overview.
Changes to Temperature Sensors.
Changes to Selected CCL Photographs.
Changes to Downhole CCL Amplifier Notes.
Changes to VFC-2 Voltage to Frequency Converter PCB.
Changes to 106CCL-1 or CCL-2a DH CCL Amplifier PCB.

12-19-2008
Changes to Printed Circuit Boards (PCBs) (menu).
Changes to Cement Bond Log Related PCBs submenu.
Changes to Casing Collar Locator (CCL) PCBs submenu.
Changes to 106PMT-1, 2, 3, 4 PMT Voltage Divider PCB.

12-23-2008
Updated Resistor Stock Lists.
Changes to Mil Spec Resistor Data.
Changes to Repair Mil Spec Resistor Stock.
Changes to Downhole CCL Amplifier Notes.
Changes to
AnaLog's Handy Zener Diode List.

12-26-2008
Changes to Mil Spec Resistor Data.

12-30-2008
Updated Resistor Stock Lists.

12-31-2008
End of year housekeeping.

Foreign client domains from which logwell.com has received hits since August, 1999 (data from wwwstat-2.01 / Urchin) are as follows:  Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Austria, Australia, Azerbaijan, Bahamas, Bahrain, Bangladesh, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, Brunei Darussalam, Bulgaria, Burkina Faso, Cambodia (Kingdom of), Cameroon, Canada, Cayman Islands, Chile, China, Christmas Island, Cocos (Keeling) Islands, Columbia, Congo (Democratic Republic of), Cook Islands, Costa Rica, Cote D' Ivoire (Ivory Coast), Croatia (Hrvatska), Cuba, Cyprus, Czech Republic, Denmark, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Eritrea, Estonia, Ethiopia, Faroe Islands, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Greenland, Guadeloupe (French), Guatemala, Guyana, Heard and McDonald Islands, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Iran, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kentucky, Kenya, Kuwait, Kyrgyz Republic (Kyrgyzstan), Laos, Latvia, Lebanon, Lesotho, Liechtenstein, Lithuania, Luxembourg, Macau, Macedonia, Madagascar, Malaysia, Malawi, Maldives, Mali, Malta, Martinique (French), Mauritius, Mexico, Micronesia, Moldavia, Monaco, Mongolia, Montserrat, Morocco, Mozambique, Myanmar, Namibia, Nepal, Netherlands, Netherlands Antilles, New Caledonia (French), New Zealand (Aotearoa), Nicaragua, Niger, Nigeria, Niue, Norway, Oman, Pakistan, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Poland, Polynesia (French), Portugal, Puerto Rico, Qatar, Romania, Russian Federation, Saint Helena, Saint Kitts & Nevis Anguilla, Saint Lucia, Saint Tome (Sao Tome) and Principe, Saint Vincent & Grenadines, Samoa, San Marino, Saudi Arabia, Seychelles, Singapore, Slovak Republic, Slovenia, Solomon Islands, South Africa, South Korea, Spain, Sri Lanka, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syria, Taiwan, Tanzania, Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Turks and Caicos Islands, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, Uruguay, USSR (former), Uzbekistan, Vanuatu, Venezuela, Vietnam, Virgin Islands (USA), Yemen, Yugoslavia, Zambia, and Zimbabwe.

Member Society of Petrophysicists & Well Log Analysts (SPWLA)Mineral & Geotechnical Logging Society (MGLS),
The Society of Exploration Geophysicists (SEG),  International Society of Explosives Engineers (ISEE),
Society of Petroleum Engineers (SPE)Association of Energy Service Companies (AESC),
Health Physics Society (HPS), and Kentucky Oil & Gas Association (KOGA)

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