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FoRxo log

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Journal Articles
Petrophysics 19 (05).
Paper Number: SPWLA-1978-vXIXn5a3
Published: 01 September 1978
... Analysts log analysis Spwla assembly Upstream Oil & Gas dual guard forxo vice president SPE Schlumberger interpretation well logging employer Houston publication short guard guard electrode Symposium University resistivity geologist electrode employment THE DUAL GUARD/FoRxo...
Journal Articles
J Pet Technol 11 (11): 37–41.
Paper Number: SPE-1117-G
Published: 01 November 1959
...Guy Towle The increased usage of the FoRxo, Guard and gamma combination of logs in salty muds has led to the development of interpretation techniques which are fast and simple. This is possible because: The effects of bed thickness on both FoRxo and Guard logs are minimal and in moot cases may...
Proceedings Papers

Paper presented at the SPWLA 1st Annual Logging Symposium, May 16–17, 1960
Paper Number: SPWLA-1960-H
... interpretation technique is described which uses as its data source logs which are commonly employed in salt mud systems. They are the focused microdevices (Microlaterolog or FoRxo), an independent porosity measuring device (Sonic or Neutron), and a device for measuring Rt (Laterolog or Guard). well...
Proceedings Papers

Paper presented at the SPWLA 2nd Annual Logging Symposium, May 18–19, 1961
Paper Number: SPWLA-1961-J
... . & .* 4 o a CALIPER r fORXO CALIPER 17n FIGURE 3-B : FIELD EXAMPLE , AMPLITUDE LOGS, OPEN AND CASED HOLE. GAMMA RAY RAOIATION INTENSITY INCREASES -144- )SandyShale ACOUSTIC AMPLITUDE MILLIVOLTS O FORMATION OPEN HOLE 200 0 FORMATION CASEO HOLE 20C o PIPE 20C . ,? (. I F ( j> ( G ? :3 ) ) I ( ;; J...
Journal Articles
J Pet Technol 12 (01): 17–22.
Paper Number: SPE-1303-G
Published: 01 January 1960
... porosity. Focused Contact Surveys The FoRxo log and the MicroLaterolog are made so that the sonde current is directed into the formations by a focusing action. This feature makes it possible to get measurements for calculating porosity in hard, low po- rosity formations. Calculations are usually reliable...
Proceedings Papers

Paper presented at the Fall Meeting of the Society of Petroleum Engineers of AIME, October 6–9, 1963
Paper Number: SPE-720-MS
... and check Electriclog 38 ~ list are reviewedand then sent to a centralof- Induction-Elect~iclog 179 14 fice fo~ furtherreviewand filing. Laterolog-Guar?dlog 39 2 Microlog-Contactlog 25 1 FIELD RESULTSWITH THE CHECKLIST Microlaterolog-FORxo 20 0 Sonic-Acoustic* 161. 33 Duringthe periodfrom Dec.,1961through...
Journal Articles
Petrophysics 7 (01).
Paper Number: SPWLA-1966-vVIIn1a4
Published: 01 January 1966
...- laterolog or FORxo), an independent porosity measuring device (Sonic or Neutron), and a device for measuring Rlt (Laterolog or Guard). BASIC CONCEPTS When the Microlaterolog was first introduced, i t was explained that i t was a device for measuring the resis- tivity of the flushed zone around the well bore...
Journal Articles
J Pet Technol 14 (10): 1109–1114.
Paper Number: SPE-275-PA
Published: 01 October 1962
...., MicroLaterolog, Proximity, FoRxo or Minifocused logs). The Rw value is also corrected for temperature and the alpha factor computed for shaly sands by this subroutine. Subroutine E calculates porosity from the Sonic or acoustic log. Subroutine F determines porosity from the neutron and/ or the density log...
Journal Articles
Petrophysics 9 (01).
Paper Number: SPWLA-1968-vIXn1a1
Published: 01 January 1968
... One-Armed Calipers SWS-SNP Two-Armed Calipers -Microlog, Contact, Minilog, Mic rolaterolog, Minifocused, FoRxo, Proximity Pad -PGAC density, LW density Pad -SWS and LW dipmeters Pad -Welex and PGAC dipmeters Pad Three-Armed Calipers -Velocity logs - SWS, Welex, bowspring PGAC -Section gage bowspring...

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