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JPT Forum articles are limited to 1,500 words Including 250 words for each table and figure, or a maximum of two pages in MT. A Forum article may present preliminary results or conclusions of an investigation that the author wishes to publish before completing a full studfi it may impart generai technical information that does not war. rant publication as a fuli.length paper. All hum articles are subject to approval by an editorial committee.Letters to the editor are publishad under Dialogue, and may cover technical or nontechnical topics. SPE-AIME reservesthe right to edit Iet{ere for style and content Or@uII mammcnp -iwxl m So@etyolPWtobun Sngkww%otlieeMsy 16, 19?7.

A1 -0.64 Ba -0.00 Ca -0.57 Cr -0.01 co -0.02 cu -0.74 Fe -13.82 Li -0.01 Pb -21.62 Mg -0.34 Mn -1.04 K -0.26 A g -0.30 Ni -0.02 Si -11.57 Na -7.73 Sr -0.01 Sn -0.00 Zn -0.13 % Fraction % Total Scale Water Soluble -18.0 CaC12 -12.6 CrC12 -0.2 FeCl -1.1 L i d -0.8 MgC12 -2.9 NaCl -66.7 SrC12 -0.2 Acid Soluble -33.0 c u 2 -3.4 Fe2O3 -35.2 PbS -52.5 Mg(OH)2 -1.0 Mn(OH)* -2.2 K2Si03 -0.1 Na2Sia3 -0.3 ZnS -0.8 Ag 0 -0.7 Acid Insoluble -49.0 C a s h -1.0 co2 -0.1 A 1 O3 -1.3 CUO -0.4 Fe 0 -20.9 8 b 8 -29.4 MgSi03 -1.0 MnSiO -1.7 Ni8 -0.1 CaC12 -2.27 CrC12 -0.04 FeC12 -0.20 LiCl -0.14 MgC12 -0.52 MnCl -1.60 KC? -1.19 NaCl -12.01 SrC12 -0.04 Ca(0H) -0.20 Fe20 -11.62 Pbd -17.32 Mg(OH)2 -0.33 Mn(OH)2 -0.73 -0.03 K2Eii8 -0.23 Na2Si03 -0.10 ZnS -0.26 Al2o3 -0.64 CUO -0.20 A12S3 -1.06 cuz -1.12 Fe 0 -10.24 Jb8 -14.40 MgSi03 -0.49 ""Si03 -0.83 NiO -0.05 % Total Scale CaCl -6.76 L i d -0.19 MgC12 -0.07 KC? -1.31 NaCl -14.59 SrC12 -0.14 ZnC12 -0.02 Ca(0H) -0.08 Cuz -0.25 F e S -1.87 PbS -1.69 Mg(OH), -0.04 Mn(OH)2 -0.17 N a 2 S i 0 -0.21 Znz -0.29 CaSiO -0.22 Cud -0.07 Fe 0 -0.79 3b8 -0.50 MgSi03 -0.14 MnSi03 -0.07 Si02 -69.85 Ag S -0.07 SnS6 -0.14 m c 1 -0.33 A1203 -0.07 zn8 -0.07 n Wt. % A1 -0.05 Ba -0.00 Ca -0.61 Cr -0.00 co -0.00 cu -0.20 Fe -0.21 Pb -0.14 Li -0.02 Mg -0.03 Mn -0.11 Ni -0.00 K -0.36 Si -34.90 Ag -0.00 Na -3.22 Sr -0.03 Sn -0.15 Zn -0.05 SCALE FROM LINE ENTERING RED VALVE BETWEEN 2 B SEPARATOR AND ATMOSPHERIC FLASH DATE: 1-12-79 % Fraction % T o t a l Scale Water Soluble -25.5 CaC12 -28.3 PbCl -0.1 L i d -0.7 MgC12 -0.2 NaCl -63.8 SrC12 -0.5 ZnC12 -0.1 Acid Soluble -2.0 Ca(0H) -7.4 Cud -18.5 Fe 0 -18.5 3bd I -18.5 Na2Si0 a-18.5 Mn(OHI2 . -11.2 znd .-7.4 CaC12 -7.22 -0.03 -0.18 MgC12 -0.05 MnCl -0.26 KC? -1.35 NaCl -16.27 SrC12 -0.13 ZnC12 -0.03 Ca(OH) -0.15 Cud -0.51 Fe 0 -0.37 ?bd -0.44 Mn(OHI2 -0.22 Na2Si0 -0.37 znd -0.21 A1203 -0.07 CaSi03 -0.22 Fe304 -0.22 MgSi03 -0.07 EinSi03 -0.07 Si02 -71.41 B a -0.0017 Ag -0 . 2 I I W t . % RED VALVE LINER BETWEEN 2B SEPARATOR AND ATMOSPHERIC FLASH DATE: 1-12-79 % F r a c t i o n % T o t a l S c a l e Water S o l u b l e -1 7 . 4 CaC12 -23.9 PbCl -0 . 7 L i d -0.9 MgC12 -0 . 2 M n C l -1 . 0 KC? -5 . 4 N a C l -67.4 SrC12 -0.5 A c i d S o l u b l e -3.2 2.6F e z 0 -1 4 . 7 Pbd -5 7 . 7 Mn(OHI2 -3 . 4 K2Si03 -0.9Ag 0 -4 . 3 N a 2 S i 8 3 -6 . 0ZnO -2.6Ca(oH)b CU --7 . 8C a C 1 2 -4.16Fe304 -0.32 MnSiO3 -0 . 0 8 S r S 0 4 -0.16 KC? -0.94 A 1 2 0 3 -0 . 0 8 MgS103 -0.08 AgC siof --7 7 * 4 8 0.16 A c i d I n s o l u b l e -79.4 A 1 2 0 3 126., . Wt. % A1 -0.06 Ba -0.02 Ca -3.78 Cr -0.00 co -0.00 cu -0.19 Fe -0.33 Pb -0.14 Li -0.03 Mg -0.03 Mn -0.12 Ni -0.02 K -0.99 Si -30.70 Ag -0.01 Na -6.29 Sr -0.06 Sn -0.00 Zn -0.06 v-1s (ATMOSPHERIC FLASH VESSEL) OUTLET DATE: 1-8-79 8 Fraction % Total Scale Water Soluble -41.6 CaC12 -35.5 CUCl -0.1 LiC? -0.6 MnCl -0.7 XC? -6.5 NaCl -55.8 SrC12 -0.4 ZnC12 -0.2 MgC12 -0.2 Acid Soluble -2.3 ca(oH)z -10.7 CUO -19.6 Fe2O3 -26.8 PbO -10.7 Mn(OHI2 -3.6 Na2SiO -25.0 Znd -3.6 Acid Insoluble --56.1 A1 O3 --0.2 Ba!!!02 --0.1 C a S i O --0 . 4 -0....

The Geothermal Loop Experimental Facility (GLEF) utilizes a four stage flash/binary process for the extraction of energy from a high temperature, high salinity, liquid-dominated resource. Since plant start-up in May, 1976, a substantial amount of information has been obtained I on the operation of the plant, components, brine and steam composition, production and injection wells, and the potential of the Niland Reservoir. This Quarterly Report discusses the general operation and activities of the GLEF during the period January, 1978 through March, 1978, in the GLEF Operations Section. The production and injection well encountered no / unusual difficulties as described in the Reservoir Operation Section. Scrubber performance tests were rerun this period and are discussed in the Testing Section. The Systems Chemistry Section discusses steam ph, conductivity, and chemical composition. Also discussed are brine and scale properties. In the Maintenance Section, pigging and component optimization efforts are discussed. The. injection pump difficulties and condenser plugging problems are detailed in the Special Problems Section. Section discusses the feasibility study for a 50 MWe plant and H2S abatement.

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