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Modifications Log (ModLog) - 2007 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".

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, 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.

The Modifications Log

01-01-2007
Created 2006 ModLog Archive.
Updated copyright notices.

01-11-2007
Added Old Victoreen Tubes Catalog (large pdf file).
Changes to High Voltage (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to Electronic Components (menu).
Changes to High Voltage Regulators (menu).
Changes to Electronic Component ID and Data Menu.
Changes to FTP Site.
Changes to Application Notes.
Changes to High Voltage Woes.
Changes to High Voltage Tips & Tricks.
Changes to Repair Vacuum Tube (Valve) Stock.

01-13-2007
Updated Subject Index.
Updated Page Title Index.
Updated Test, Repair, and Research Equipment.
Changes to Tools and Stuff We Like.
Ran internal search engine index routine.

01-15-2007
Updated Repair Transistor Stock.
Updated Repair Transistor ECG / NTE Reverse Cross.

01-19-2007
Updated Repair Vacuum Tube (Valve) Stock.

01-22-2007
Added Dummy Lines.
Added Dummy Line Schematics (submenu):
   Dummy Lines (pdf schematic).
   Ed's CBL Simulator Dummy Line (pdf schematic).
Added Downhole Logging CCL Amplifiers (submenu).
Updated Subject Index.
Updated Page Title Index.
Changes to Schematics (menu).
Changes to Service Tips (menu).
Changes to Surface Hardware (menu).
Changes to Downhole Hardware (menu).
Changes to Cement Bond Logging (menu).
Changes to T2...The Easy Way.
Changes to Cement Bond Logging Overview.

01-23-2007
Updated Repair Transistor Stock.
Updated Repair Transistor ECG / NTE Reverse Cross.
Changes to
AnaLog Home Page (v10.5).
Changes to Dummy Lines.
Changes to
AnaLog Links.

01-25-2007
Updated Test, Repair, and Research Equipment.
Changes to The Wireline Reflector Mailing List.

01-29-2007
Changes to Dummy Lines.
Changes to Exotic Items / Custom Work.

02-02-2007
Changes to  A Word About O-Rings.
Changes to Repair Vacuum Tube (Valve) Stock.
Changes to Paul Knight's Care and Feeding of SIE CBTs.

02-03-2007
Added Precision Gamma Ray Tool.

02-05-2007
Added Well Logging Equipment Pictures (menu):
   AnaLog Lab Facility.
   AnaLog Test Logging Truck.
   Precision Gamma Ray Tool.

02-08-2007
Performed misc. housekeeping.
Changes to Surface Hardware (menu).
Changes to Downhole Hardware (menu).
Changes to
AnaLog Tech & Tips (menu).
Changes to Well Logging Equipment Pictures (menu).
Changes to Downloads.
Changes to
AnaLog Site Map.
Changes to Test Logging Truck.
Changes to Lab Facility (January, 2006).

02-09-2007
Revised Codatron HT High Voltage Regulator (pdf).
Revised Codatron HTZ High Voltage Regulator (pdf).
Changes to
AnaLog Links.
Changes to The Sealed Source Exchange.

02-16-2007
Updated Subject Index.
Updated Page Title Index.
Changes to Propellant Type HEGF Devices.

02-21-2007
Added GO Single Tube Gamma Ray / CCL Tool.
Changes to Well Logging Equipment Pictures (menu).

02-23-2007
Added Victoreen Sample Case.
Changes to Nuclear Logging (menu).
Changes to Regulatory Matters (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 Cased Hole / Production Logging (menu).
Changes to Well Logging Equipment Pictures (menu).
Changes to Electronic Component ID and Data Menu.
Changes to UIC Mechanical Integrity Test (MIT) Menu.
Changes to Underground Injection Control (UIC) (menu).
Changes to Dual Fire Perforator Wiring (pdf schematic).

02-24-2007
Updated Subject Index.
Updated Page Title Index.
Changes to
AnaLog Home Page (v10.6).
Changes to Service Tips (menu).
Changes to Surface Hardware (menu).
Changes to
AnaLog Tech & Tips (menu).
Changes to Explosives and Radiation Safety (menu).
Changes to A Word About Sealed Sources.

02-26-2007
Updated Test, Repair, and Research Equipment.
Changes to
AnaLog Tech & Tips (menu).
Changes to
AnaLog Site Map.
Changes to CCL Magnet Trivia.
Changes to Dual Fire Perforator Wiring (pdf schematic).

03-01-2007
Added Incandescent Indicator / Pilot Light Trivia.
Changes to Service Tips (menu).
Changes to Surface Hardware (menu).
Changes to Electronic Components (menu).

03-02-2007
Updated Subject Index.
Updated Page Title Index.
Changes to Underground Injection Control (UIC) (menu).
Changes to Incandescent Indicator / Pilot Light Trivia.
Changes to US EPA Region IV UIC Enforcement Notices.

03-03-2007
Changes to Downloads.

03-05-2007
Added Found Mystery Tool.
Added EPA/600/R-94/124 Logging MITs by Dr. Mckinley.
Changes to Well Logging Equipment Pictures (menu).
Changes to UIC Mechanical Integrity Test (MIT) Menu.
Changes to Underground Injection Control (UIC) (menu).
Changes to A Word About Tape.

03-09-2007
Changes to Service Tips (menu).
Changes to A Word About Solder.

03-12-2007
Changes to Shipping Tips.
Changes to A Word About Tape.

03-13-2007
Changes to Mil Spec Resistor Data.

03-16-2007
Changes to Classifieds.
Changes to A Word About Tape.

03-24-2007
Added Another Found Mystery Tool.
Changes to Well Logging Equipment Pictures (menu).

03-26-2007
Updated Repair Transistor Stock.
Updated Repair Transistor ECG / NTE Reverse Cross.
Changes to Found Mystery Tool.
Changes to Another Found Mystery Tool.

03-28-2007
Changes to MS Cylindrical Connector Trivia.

03-31-2007
Changes to MS Cylindrical Connector Trivia.

04-04-2007
Set up Lambert's sucks site infrastructure.
Added Lambert's Post Frame Buildings Sucks.
Added LambertsPostFrameBuildingsSucks.com referrer.
Added LambertsPostFrameBuildings.com referrer.

04-06-2007
Changes to Lambert's Post Frame Buildings Sucks.

05-01-2007
New countries visiting in April:  Gambia and Saint Tome (Sao Tome) and Principe.

05-29-2007
Changes to Explosives and Radiation Safety (menu):
   API RP 67 now available as a free download.
Changes to Perforating and Explosives (menu).

06-07-2007
Added Magnetic Anomalies on CCL Traces.
Changes to Casing Collar Locator (CCL) (menu).
Changes to Shooting CCL Surface Amplifiers.

06-08-2007
Changes to Magnetic Anomalies on CCL Traces.

07-01-2007
New countries visiting in June:  Congo (Democratic Republic of) and Saint Kitts & Nevis Anguilla.

07-09-2007
Added Californium-252, AmBe Substitute?
Changes to Nuclear Logging (menu).
Changes to Radioactive Cheat Sheet.
Changes to A Word About Sealed Sources.

08-01-2007
New country visiting in July:  Vanuatu.

08-10-2007
Added Electric Detonators Used in Wireline Operations.
Changes to Perforating and Explosives (menu).
Changes to Explosives and Radiation Safety (menu).
Changes to Application Notes.

08-11-2007
Added GO COSMOS Anti-Coincidence (pdf schematic).
Added Universal Bond Kill Circuit (pdf schematic).
Added Constant Current Supply (pdf schematic).
Updated format of existing schematics.
Changes to Nuclear Logging (menu).
Changes to Schematics (menu).
Changes to Shooting CCL Meters / Amplifiers (submenu).
Changes to FTP Site.
Changes to Contact Us.
Changes to GO / GOI / MLS COSMOS Tool Notes.

08-13-2007
Added Preamp / Discriminator / Divider (pdf schematic).
Corrected Universal Bond Kill Circuit (pdf schematic).
Corrected Constant Current Supply (pdf schematic).
Changes to Schematics (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to Cement Bond Logging (menu).
Changes to Cement Bond Logging Overview.
Changes to Simultaneous Gamma / SIE Bond Logging.

08-15-2007
Added Line Driver Schematics (submenu):
   Divider / Pulse Former / Line Driver Circuit.
   Universal Pulse Former / Line Driver (Single Channel).
   Universal Pulse Former / Line Driver (Dual Channel).
Changes to Schematics (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).

08-18-2007
Added Bond Kill Schematics (submenu):
   Improved Universal Bond Kill Circuit.
   Improved Bell Style Bond Kill Circuit.
Added Bond Receiver Amplifier Schematics (submenu):
   Improved SIE Style Bond Receiver Amplifier.
   Paul's Bond Amp Constant Current Supply.
Changes to Schematics (menu).
Changes to Downhole Hardware (menu).
Changes to Cement Bond Logging (menu).

08-21-2007
Added Application Note CCL Beeper (pdf).
Changes to FTP Site.
Changes to Application Notes.
Changes to Cement Bond Logging Overview.

08-22-2007
Updated Test, Repair, and Research Equipment.
Changes to Exotic Items / Custom Work.

08-23-2007
Changes to Schematics (menu).
Changes to Nuclear Logging (menu).
Changes to CCL Magnet Trivia.
Changes to Surface Electronics.
Changes to Shooting CCL Surface Amplifiers.

08-27-2007
Added Divider / Pulse Former / Line Driver (pdf schematic).
Added GO/GOI/MLS COSMOS Tool (submenu):
   GO COSMOS Low Voltage Power Supply (pdf).
   GO COSMOS Stock Scintillation GR Preamp (pdf).
   GO COSMOS Improved Scintillation GR Preamp (pdf).
   GO COSMOS Geiger-Mueller GR Preamp (pdf).
   GO COSMOS Anti-Coincidence (pdf schematic).
   GO COSMOS Replacement CCL Amplifier (pdf).
Added Radiation Tool Preamps (submenu):
   Preamp / Discriminator / Divider (pdf schematic).
   GO COSMOS Stock Scintillation GR Preamp (pdf).
   GO COSMOS Improved Scintillation GR Preamp (pdf).
   GO COSMOS Geiger-Mueller GR Preamp (pdf).
Added Anti-Coincidence Circuits (submenu):
   GO COSMOS Anti-Coincidence Circuit (pdf schematic).
   Simple Anti-Coincidence Circuit (pdf schematic).
Changes to Schematics (menu).
Changes to Service Tips (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to Line Driver Schematics (submenu).
Changes to Shooting CCL Meters / Amplifiers (submenu).
Changes to GO / GOI / MLS COSMOS Tool Notes.

08-28-2007
Added Gadgets & Gizmos (Stat Eliminator) (submenu):
   Improved CCL Low Pass Filter (pdf schematic).
   Improved Cement Bond Output Filter (pdf schematic).
   SIE Stat Eliminator (pdf schematic).
Changes to Schematics (menu).
Changes to Nuclear Logging (menu).
Changes to Surface Hardware (menu).
Changes to Cement Bond Logging (menu).
Changes to Casing Collar Locator (CCL) (menu).

08-29-2007
Added Anti-Coincidence Considerations.
Added Divide By Circuit (pdf schematics).
Added GO COSMOS Tool Schematic (pdf schematic).
Added Tek-Co Clocked Anti-Coincidence Circuit (pdf).
Changes to Schematics (menu).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to Anti-Coincidence Circuits (submenu).
Changes to GO/GOI/MLS COSMOS Tool (submenu).
Changes to High Count Rates.

08-30-2007
Changes to Neutron Tool Calibration.
Changes to Gamma Ray Scintillation Detector Calibration.

09-01-2007
New country visiting in August:  Lesotho.
Added Nuclear Tool Calibrators.
Added A Few AnaLog Printed Circuit Boards (PCBs).
Added Selected Casing Collar Locator (CCL) Photographs.
Updated Test, Repair, and Research Equipment.
Changes to Nuclear Logging (menu).
Changes to Casing Collar Locator (CCL) (menu).
Changes to Well Logging Equipment Pictures (menu).
Changes to Gamma Ray Scintillation Detector Calibration.

09-04-2007
Changes to
AnaLog Home Page (v10.7).
Changes to Service Tips (menu).
Changes to
AnaLog Tech & Tips (menu).
Changes to Resources and Links (menu).
Changes to Well Logging Equipment Photos (menu).
Changes to Introduction.
Changes to Navigation Tips.
Changes to
AnaLog Site Map.
Changes to About logwell.com.

09-10-2007
Added Logging Op Amps (Or How I Learned to Love the CA3140).
Changes to Nuclear Logging (menu).
Changes to Downhole Hardware (menu).
Changes to Electronic Components (menu).
Changes to Electronic Component ID and Data Menu.
Changes to Anti-Coincidence Considerations.

10-01-2007
New country visiting in September:  Cameroon.
Changes to Classifieds.
Changes to
AnaLog Links.

10-11-2007
Changes to The Sealed Source Exchange.

12-12-2007
Added Inverting Preamp / Discriminator (pdf schematic).
Changes to Radiation Tool Preamps (submenu).
Changes to N-I Preamp / Disc. / Divider (pdf schematic).
Changes to List of Loggers.

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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