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HomeMy WebLinkAboutNC0000396_Geophysical Logging Rpt-Bear Leigh Trail Mar 2016_20160831® Geophysics LLc problem solved Geophysical Logging Report Bear Leah Trail Site Arden, North Carolina Performed for: SynTerra March 7, 2016 a member of The GEL Group INC GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report Bear Leah Trail Site Arden, North Carolina TABLE OF CONTENTS Section Page SignaturePage..................................................................................................................................ii ExecutiveSummary.........................................................................................................................iii 1.0 Introduction........................................................................................................................... 1 2.0 Equipment and Methodology................................................................................................ 1 2.1 Acoustic Televiewer...................................................................................................... 1 2.2 3-Arm Caliper................................................................................................................ 2 2.3 Fluid Temperature........................................................................................................ 2 2.4 Fluid Resistivity............................................................................................................. 2 2.S Single Point Resistance(SPR)........................................................................................ 2 2.6 Spontaneous Potential (SP).......................................................................................... 3 2.7 Heat Pulse Flowmeter(HPF)......................................................................................... 3 3.0 Field Procedures.................................................................................................................... 3 4.0 Data Processing and Results.................................................................................................. 4 Appendices Appendix 1 Appendix 2 Appendix 3 Geophysical Logs Rose Diagrams Heat Pulse Flowmeter Logs and Fracture Characteristics GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Signature Page This report, entitled "Geophysical Logging, Bear Leah Trail Site, Arden, North Carolina" has been prepared for SynTerra located in Greenville, South Carolina. It has been prepared under the supervision of Mr. Jorgen Bergstrom at the request of and the exclusive use of SynTerra. This report has been prepared in accordance with accepted quality control practices and has been reviewed by the undersigned. GEL Geophysics, LLC A Member of the GEL Group, Inc. Jorgen Bergstrom Senior Geophysicist Scott D. Carney Director March 7, 2016 Date GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report Bear Leah Trail Site Arden, North Carolina EXECUTIVE SUMMARY GEL Geophysics performed geophysical borehole logging services in five 6-inch diameter groundwater wells located at properties along Bear Leah Trail in Arden, North Carolina. The field investigation was performed on February 16-18, 2016, and on February 25-26, 2016. This investigation was conducted to aid SynTerra in evaluating potential pathways for groundwater migration through fractured bedrock at the site. The geophysical logs consisted of acoustic televiewer, caliper, fluid resistivity, fluid temperature, single point resistance (SPR), spontaneous potential (SP), and heat pulse flowmeter (HPF). HPF logging was conducted under both ambient and pumping conditions throughout the logging intervals. The logging data was analyzed to determine the location, orientation, and aperture of fractures; and other features. In addition to these data sets, synthetic caliper logs were calculated from the acoustic televiewer travel time data to aid in the interpretation. The logs were analyzed for fractures and other features. Dip, azimuth (dip direction), and aperture were calculated for each detected fracture based on the televiewer dataset. HPF data was analyzed to detect water producing fractures. GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report Bear Leah Trail Site Arden, North Carolina 1.0 INTRODUCTION GEL Geophysics performed geophysical borehole logging services in five 6-inch diameter groundwater wells located at properties along Bear Leah Trail in Arden, North Carolina. The geophysical logs consisted of acoustic televiewer, caliper, fluid resistivity, fluid temperature, single point resistance (SPR), spontaneous potential (SP), and heat pulse flowmeter (HPF). The field investigation was performed on February 16-18, 2016, and on February 25-26, 2016. The logging data was analyzed to determine the location, orientation, and aperture of fractures; and other features. In addition to these data sets, synthetic caliper logs were calculated from the acoustic televiewer travel time data to aid in the interpretation. 2.0 EQUIPMENT AND METHODOLOGY The information below is an overview of the geophysical methodologies used for this investigation. The intent of this overview is to give the reader a better understanding of each method, and background information as to what is actually measured, the resolution of the method, and the limitations imposed by site -specific subsurface conditions. 2.1 Acoustic Televiewer Acoustic televiewer logging produces a high resolution, magnetically oriented digital image to map the location, aperture and orientation of intersecting fractures, foliations, and lithologic contacts. The Acoustic televiewer tool emits a rotating, narrow, acoustic beam that is reflected off the borehole wall. The travel time and amplitude of the reflected wave are recorded by the tool and used to create borehole images. Both datasets are useful for identifying the location, aperture and orientation of fractures. The amplitude of the reflected signal will decrease at the location of fractures and the travel time will increase. The travel time data can also be used for developing a high resolution caliper log for a more comprehensive analysis of fractures. Acoustic televiewers can only be used in fluid filled boreholes. However, the fluid does not have to be optically clear for the method to work. The acoustic televiewer has a vertical resolution of 2 millimeters. GEL Geophysics LLC Charleston, SC Charlotte, INC Raleigh, INC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site Arden, North Carolina (synt00215) 2.2 3-Arm Caliper March 7, 2016 Page 2 Caliper logging is used to generate a profile of the borehole diameter with depth. The tool measures the borehole diameter using three spring -loaded arms. Narrow enlargements in the borehole diameter can, in most cases, be attributed to fractures. Caliper logging can be conducted above and below the water surface. 2.3 Fluid Temperature Fluid temperature logging is used to identify where water enters or exits the borehole. In the absence of fluid flow, a gradual increase on water temperature of approximately 1°F per 100 feet of depth is expected. Rapid changes in the fluid temperature indicate water -producing or water - receiving zones. Little or no temperature gradient indicates intervals of vertical flow. 2.4 Fluid Resistivity Fluid resistivity logging is used to measure the electrical resistivity of the fluid in the borehole. Variations in fluid resistivity can be contributed to concentration variations of dissolved solids. These differences can occur when sources of water have contrasting chemistry and have come from different transmissive zones. Fluid temperature and resistivity are measured concurrently using the same logging tool. 2.5 Single Point Resistance (SPR) Single point resistance logging involves passing an alternate current between a surface electrode and a probe electrode and measuring the voltage difference created by the current. SPR is then calculated using Ohm's law. SPR is the sum of cable resistance, and the resistance based on the composition of the medium, the cross sectional area and length of the path through the medium. Therefore, the single point resistance log does not provide quantitative data. In general, SPR increases with increasing grain size and decreases with increasing borehole diameter, fracture density, and the concentration of dissolved solids in the water. Single -point resistance logs are useful in the determination of lithology, water quality, and location of fracture zones. GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site Arden, North Carolina (synt0021S) 2.6 Spontaneous Potential (SP) March 7, 2016 Page 3 SP logging is conducted to measure naturally occurring voltage differences along a borehole. The method has been found useful for delineating sandstone/shale layering and other boundaries between permeable and impermeable beds. The measurements are made with reference to an electrode at ground level. Therefore, SP logging does not provide quantitative data. 2.7 Heat Pulse Flowmeter (HPF) HPF logging measures the direction and rate of vertical fluid flow in a borehole by heating up a small volume of water and monitoring temperature variations as the heated water moves with the fluid flow in the borehole. Under ambient conditions, differences in hydraulic head between two transmissive fractures produce vertical flow in the borehole. However, if the hydraulic head is the same, no flow will occur under ambient conditions. Therefore, HPF logging is also conducted under low -rate pumping conditions. HPF readings are point readings at the location of fractures. The location and number of these readings can be determined after analyzing the other geophysical logs for fractures. HPF can be used for measuring vertical flows between 0.005 gallons per minute (gpm) and approximately 1.5 gpm. 3.0 FIELD PROCEDURES All GEL Geophysics activities on -site were supervised by a senior geophysicist. For this investigation, GEL Geophysics used a Mount Sopris Matrix logging system. Pumping tests during HPF testing were conducted using a Grundfos Redi-Flow-2 water pump with variable speed control box and an in -situ Mini -Troll pressure transducer with logging capabilities. HPF logging under pumping conditions commenced after the borehole water level had stabilized. HPF logging was conducted at every 5 feet throughout the logging intervals under ambient and pumping conditions. More closely spaced readings were then conducted at sections with abrupt changes in flow. A summary of the configuration of the borehole, pumping rates, and water levels is provided below. All depth measurements are referenced from the ground surface. All wells are surface cased and open hole below the casing. GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site Arden, North Carolina (synt00215) Logging Configuration Summary March 7, 2016 Page 4 Well ID: DW-3 DW-4 DW-5 DW-6 DW-7 Bottom of casing (ft): 9.7 21.2 19.2 51.3 49.8 Casing material: PVC PVC Steel Steel Steel Casing diameter (in): 6.2 6.1 6.1 6.1 6.1 Open hole (ft): 9.7-121.5 21.2-180.0 19.2-140.5 51.3-161.5 49.8-102.0 Open hole diameter (in): 6.0 5.9 5.9 5.9 5.9 Logging interval (ft) 5.0-121.0 15.0-179.5 7.0-140.0 47.0-161.0 42.0-101.5 Depth of pump (ft): 9.0 19.0 20.0 18.0 20.0 Pumping rate (gpm): 1.0 1.0 1.5 1.5 1.0 Water level before pumping (ft): 2.0 11.4 7.2 3.4 1.3 Water level at equilibrium (ft): 2.5 11.9 7.8 10.6 2.3 4.0 DATA PROCESSING AND RESULTS The logs were analyzed for fractures and other features using WellCAD software, manufactured by Advanced Logic Technology. The travel time data from the acoustic televiewer log was used to develop a maximum caliper log. Fractures were interpreted through a complete data analysis of all logs. The logs are presented in Appendix 1 and a fracture summary for each well is provided below. Dip, azimuth, and aperture were calculated for each detected fracture. The fracture data was corrected from apparent to true dip and azimuth (dip direction) using deviation logs included with the televiewer dataset. The azimuth or dip direction is measured clockwise from magnetic north (Figure 1). Attributes for all identified fractures for the wells are listed in the tables following this section. Dominating water producing fractures based on flow logging are highlighted and shown in bold and italics text. Minor water producing fractures based on flow logging are shown in bold. Fracture rose diagrams are presented on Appendix 2. HPF logs and fracture characteristics are shown on Appendix 3. All depths are referenced from ground surface. GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site Arden, North Carolina (synt00215) [inert .halt Relati ns betrnen Do andA::, ntb angle Figure 1 Explanation of azimuth and dip for fractures March 7, 2016 Page 5 GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site Arden, North Carolina (synt00215) DW-3 Fracture Summary Depth Azimuth Dip Aperture ft deg deg mm 9.9 284 44 4 10.5 278 15 169 10.8 308 65 5 11.5 269 58 6 12.9 80 34 10 14.6 170 4 8 30.3 165 21 35 31.5 159 14 410 36.9 176 73 2 46.2 128 56 3 56.7 2 7 8 57.1 3 6 10 61.0 206 13 145 64.1 170 10 8 64.3 175 6 8 77.3 1 13 12 83.5 158 12 8 83.6 155 12 8 101.3 346 22 7 105.5 101 3 12 113.8 141 15 16 Note: Surficial water was apparently entering the well immediately below the casing in well DW-3 during pumping. March 7, 2016 Page 6 DW-4 Fracture Summary Depth Azimuth Dip Aperture ft deg deg mm 21.3 349 11 38 24.8 173 58 6 25.2 179 35 6 25.4 160 34 9 27.2 194 49 18 27.7 169 21 7 27.8 165 35 9 29.3 21 15 5 29.6 42 14 5 29.9 110 15 17 31.1 156 19 284 32.5 143 28 4 33.7 160 21 69 35.1 137 31 68 43.0 101 20 19 43.0 227 25 5 46.2 81 79 1 46.2 95 77 4 49.3 179 45 6 51.0 234 73 4 51.0 196 55 12 55.6 209 8 125 57.1 239 52 7 59.9 211 46 6 65.4 325 4 98 81.6 348 4 62 85.2 156 43 10 85.5 175 21 36 86.5 159 25 15 89.1 193 25 8 102.7 151 33 15 124.4 131 54 7 141.9 154 2 8 145.3 346 19 9 Dominating water producing fractures based on flow logging are highlighted and shown in bold and italics text. Minor water producing fractures based on flow logging are shown in bold. GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site Arden, North Carolina (synt00215) DW-5 Fracture Summary Depth Azimuth Dip Aperture ft deg deg mm 38.5 193 61 6 39.4 307 7 4 43.3 175 59 7 59.4 196 35 7 61.4 142 41 8 70.7 209 61 3 93.8 152 23 4 94.3 174 42 9 108.8 158 40 6 109.6 155 56 5 114.1 152 39 35 114.2 242 5 120 118.6 146 22 4 118.9 63 18 4 120.1 23 6 7 120.4 41 3 17 133.0 165 46 6 135.7 168 23 7 136.1 37 2 3 136.1 167 5 1 March 7, 2016 Page 7 DW-6 Fracture Summary Depth Azimuth Dip Aperture ft deg deg mm 51.6 294 27 14 57.7 173 18 6 58.0 152 25 6 58.6 160 24 7 59.2 8 46 5 59.8 176 17 9 65.2 187 22 7 67.8 181 25 68 71.4 148 11 10 73.5 214 9 7 87.0 150 27 5 87.2 158 37 12 94.0 181 21 21 94.3 164 36 19 94.6 167 43 13 94.8 169 42 22 98.6 163 37 13 98.7 154 44 7 99.5 155 68 15 99.6 159 38 20 107.0 141 63 7 107.1 156 43 11 114.2 192 48 5 116.0 155 12 23 126.1 22 14 10 147.5 148 32 5 150.1 122 38 7 151.5 138 48 4 159.2 162 58 6 159.6 176 47 10 160.1 165 47 3 160.4 154 43 4 Dominating water producing fractures based on flow logging are highlighted and shown in bold and italics text. Minor water producing fractures based on flow logging are shown in bold. GEL Geophysics u_C Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com Geophysical Logging Report, Bear Leah Trail Site March 7, 2016 Arden, North Carolina (synt00215) Page 8 DW-7 Fracture Summary Depth Azimuth Dip Aperture Depth Azimuth Dip Aperture ft deg deg mm ft deg deg mm 49.8 119 4 12 74.4 168 16 9 53.0 146 21 5 74.8 160 18 7 53.7 229 17 4 77.0 134 23 7 54.3 152 27 5 78.4 145 38 7 55.3 129 14 4 78.7 143 60 5 56.7 119 31 4 79.5 159 66 7 57.0 122 23 8 80.0 159 62 8 57.2 150 24 9 80.5 152 46 6 57.5 136 31 15 80.7 150 51 6 57.7 110 32 30 80.7 145 70 7 58.1 179 19 37 81.1 157 57 6 58.6 187 27 10 83.0 152 58 2 59.4 160 24 6 84.9 173 10 9 60.6 158 25 4 85.3 162 13 6 61.6 125 44 47 86.3 198 23 6 61.7 76 9 49 89.1 161 26 6 63.0 3 17 11 89.2 166 33 9 67.0 7 7 5 90.4 221 13 5 67.3 79 15 5 90.5 206 19 7 67.6 116 15 11 91.3 204 36 7 72.6 140 33 9 92.3 201 24 10 72.7 140 37 7 92.4 187 25 6 73.1 141 26 6 92.7 188 29 5 93.1 200 24 3 Note: Surficial water was apparently entering the well immediately below the casing in well DW-7 during pumping. Dominating water producing fractures based on flow logging are highlighted and shown in bold and italics text. Minor water producing fractures based on flow logging are shown in bold. GEL Geophysics LLC Charleston, SC Charlotte, NC Raleigh, NC Atlanta, GA www.gelgeophysics.com APPENDIX I d r "fu1 ry f i ._Bottom of Casing X I ■IMI LALA, 1 a i'F , ... ' f YG=9ri'Sf 4fp4_"mN.-. aim. 4, r-lb. ri1�e1•eaf Lr_'�®I�Y 4•, j3�C10C•..1 LR-• , s . 1 aA. a lid � l -;*71 —96 rF - L 71 WATYIO;� AW�J tA 13 iril fit i p; �. irl F �r c7irrrim `b'71*4 IV N V!, �t _I•. II F�I 'CAI a Ml Ij ir , qjw PA Still IF , il., ., C MWOO-Y. Ell FAV tf4 j 4 ,A: t 1-df1111. I �I ;. JI I • I •t _ 1 ' .,n � �lJ III, I�• ,y i' • -�rLL�.j ru r �.y q i��L�i ILE =I' fm�mmmmi RMOMMI.-Mmmmi MMK=- ;g7M-MMMMj MMIF� mi ME[ iWM NIN T1,_ rakes w Jj ! Depth ATV - Amplitude ATV - Traveltime Caliper SPR Temperature 1ft:10ft 0° 90' 180' 270° 0° 0° 90' 180' 270° 0° 5.8 in 6.4 1000 Ohms 6000 14.4 deg C 14.8 Caliper- max from ATV SP F-Res 5.8 in 6.8 -50 mV 50 20 Ohm-m 40 Fractures HPF - Ambient 0° 90' 180' 270' 0° -0.1 0.1 HPF - Pumping -0.1 gpm 0.1 a v r' 19. �... 19. 20. 20. Page 18 Bottom of Casing - r I yqtl s-• .k 1��Ju4�F.�l.,,ita Ir P �+ S a + # �• oi � nWR n •�I it 1* , .. k r, •T'F _� ,i 1 •y lA i' t?k , rL.�.--- -"g' --Amwk - t.. % OPLAIL . i i� &L VVI IS -'i'l M ' � I --it -r ar mr 1 12, am r 1 Eq 1 1 w.4 PF & Al. Ir •now. An 464 d, s v -p a 3 v� ALL + �•. 1 1. O.F.&MM — Mla -;aWML, I Ask i 61�119MWFIP? I IMMEMMIM EMENIMMIM WIMENIMMIM mmmmlmm�m —"7,w.dp,A mako-IL I i w dlr"jp 11 IV r. Uri 7777 M& RIF 'I .'Oak -JqF- 5 ,l* pq lWLLL wa -, AW V if v teej � �;' °xf��*'•'��` NEW` iWICv ,/�..! L T AM r'M f .�7' E W 'Zt -A L:t Ai -so"* a; Mom' �' t s ifke t•f p ark rf� v "OR q� 7�" •y��i1 ~, �!_�� EEli ilia J 4� • s � �r ' rr, _�.. a 7 1 ° i' Depth 0• el• :00• 1' 1' e0• :0• 0• 5.8 in 6 1000 Ohms 6000 20 • 0 Caliper - max from ATV SP Temperature 00 mV 50 14.4 deg Fractures HPF - Ambient 0• 90• :00• 0' .. Pumping 0 gpm 0 Itlar, F;� R�F Kim III 1111 4, }%kr'*'+Fl�i+� �� �� ,■■II■II■ Fri, a4 -.*''i 11 .1 P, m 7 aiF J.'3rfi�IL yy fir, 1 ., �S I y � � y,r• WJoil Page 1 Depth Y Y Ift 1• •I• :1' 0• I' I• •/• :1• 0• 1• 5.8 in 6 1000 Ohms .III 20 • 41 Caliper - max from ATV SP Temperature 11 mV 50 14.4 deg Fractures HPF - Ambient I' •I• :1' 1• I• -0.03 gpm 0.02 Pumping 1 gpm 1 �Y aa i IN d owlo;'i �F 11111111 ,i l ' ' i �f �il oil 1111 11MT,�-w k`ry i 5Y 'IP • I Page 2 Depth Ift 1' •I• 180.0• I' I' •/• :1' 1' 5.8 in 6 1000 Ohms .III 20 • I Caliper - max from ATV SP Temperature 11 mV 50 14.4 deg Fractures HPF - Ambient I• •I• :1' 1• I• -0.03 gpm 0.02 1 gpm 1 11-wu 32.5 ME I f ' � ' " , 11 1l e �• �1 y'� 1 � _.1��_ •� I I �'�' ' -.� ...rl •— r. �AI.[SY.i'AtA9�i� LI#I Page 3 Depth 0• 91• 180.0• 1' 1' 90• :0• 0• 5.8 in 6 1000 Ohms 6000 20 • 0 Caliper - max from ATV SP Temperature 00 mV 50 14.4 deg Fractures HPF - Ambient 0• 90• :00• 0• .. 0 gpm 0 r �� • s F .;�. r . r •� err Nk - w. RIO Ila °rl Page 4 DepthATV Amplitude ATV Travel - Caliper 0• 91• 180.0• 1' 1' 90• :0• 0• 5.8 in 6 1000 Ohms 6000 20 • 0 Caliper - max from ATV SP Temperature 00 mV 50 14.4 deg Ambient0• 90• :00• 0• .. 0 gpm 0 t, Kikr,'F"OEM WIN -wit" & I .. .. S4 = ii F �o FJ ��,rY�� Ike • 1� �&� ,.� , 17fn9E�I f"���R oil 1�11111 Page 5 .1P ems.- � k• • r k 1"Oiopm. --. .41 CFI � � t •�� k, .�.. s� —60 0-115M a .. �w 9�1 Page 7 v �• A ` �r' rim I III I 1 11 • •� ..,�� as �.�... 9 !Y•elf}'t all.. L"tli Page 8 l .ot Depth 1ft 1' 91• 180.1• 1' 1' 91• :1' 1' 1• 5.8 in 6 1000 Ohms 600 1 • 41 Caliper - max from ATV SP Temperature 11 mV 50 14.4 deg Fractures HPF - Ambient 1' 0' :1' 1• 1• -0.03 gpm 0.02 Pumping 1 gpm 1 —76 1 ,r�,. l■ 'egg,� i n MAX, . a' iow • ry � ..�55 �'q• {y is KII • I �.�. i s:l. �i s' • •R r. �i�l.e oy � f HR. [=Roll .1 141, i i , Page 10 rr4 ah m M Ed q • � P� Tsar � , ..�. �lr ". i! . 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Depth Caliper - max from ATV SP F-Res :0 mV :0 20 • HPF-Ambient PumpingFractures 0 gpm 0 r It ` ,� 1 ■k MAM M■IMI .1... . , * m ,■tA■,M�1IMWM1 'W�E-■■ ISEMI ■=3. a-r■ IFAMMI Rz I MA a- IIMMI IMPSAM MEMO MMMM MMWAI MEMEMEMEMEME MEMI Page 18 B � . W%..... it; I 74 how T pt, �MEW V, ..�,��. "k` else .111 ML MIS R S w IEmma. R ROOM Munkm KENN SION Amon EMEM 0 -4 -.M Elk F"zowr Page 8 M I . lw�bv, ti APPENDIX 2 Depth Fractures Rose Diagram - Dip Direction Rose Diagram - Dip 1ft:500ft 0 901 Azimuth - Absolute (Count) Dip Count - Absolute (Count) 0 Azimuth -Absolute (Count) Depth: 2.13 [ft] to 123.03 [ft] 0° Dip Count -Absolute (Count) 25 Depth: 1.80 [ft] to 123.52 [ft] 50 0° 4 A Well ID: DW-3 75 8-10 Counts: 21.00 Mean (3D): 3.88 100 180, Min: 3.32 Components: Azimuth Max: 73.04 Counts: 21.00 Mean (3D): 189.38 125 Min: 1.35 Max: 346.39 150 175 200 Page 1 Depth Fractures Rose Diagram - Dip Direction Rose Diagram - Dip 1ft:500ft 1 0 901 Azimuth - Absolute (Count) Dip Count - Absolute (Count) 2540 Azimuth -Absolute (Count) Depth: 7.55 [ft] to 160.43 [ft] 0° Dip Count -Absolute (Count) 50 Depth: 7.87 [ft] to 160.93 [ft] 4 0. Well ID: DW-4 75 5 6 6 100 8 Counts: 34.00 Mean (3D): 21.01 180' Min: 1.71 125 Components: Azimuth Max: 79.23 Counts: 34.00 Mean (3D): 169.26 Min: 21.22 15 0 Max: 349.45 175 Page 1 Depth Fractures Rose Diagram - Dip Direction Rose Diagram - Dip 1ft:500ft 0 901 Azimuth - Absolute (Count) Dip Count - Absolute (Count) 25 Azimuth -Absolute (Count) Depth: 7.55 [ft] to 160.43 [ft] 0° 41 01 Dip Count -Absolute (Count) 50 4 Depth: 7.87 [ft] to 160.93 [ft] 0° Well ID: DW-5 75 4 5 A*-4 100 Counts: 20.00 Mean (3D): 25.15 180° Min: 1.99 125 Components: Azimuth Max: 61.04 Counts: 20.00 Mean (3D): 167.26 Min: 23.17 150 Max: 306.75 175 Page 1 Depth Fractures Rose Diagram - Dip Direction Rose Diagram - Dip 1ft:500ft 0 901 Azimuth - Absolute (Count) Dip Count - Absolute (Count) 25 Azimuth -Absolute (Count) Depth: 7.55 [ft] to 170.28 [ft] 0° Dip Count -Absolute (Count) 50 / Depth: 7.87 [ft] to 170.60 [ft] b 0o Well ID: 10 DW-6 75 78 100 — —8-10 Counts: 32.00 Mean (3D): 31.37 125 180' Min: 9.07 Components: Azimuth Max: 67.52 Counts: 32.00 Mean (3D): 160.63 150 Min: 7.51 Max: 293.68 175 Page 1 Depth Fractures Rose Diagram - Dip Direction Rose Diagram - Dip 1ft:200ft 0 901 Azimuth - Absolute (Count) Dip Count - Absolute (Count) 40 50 Azimuth -Absolute (Count) Depth: 38.58 [ft] to 109.99 [ft] 0° Dip Count -Absolute (Count) 60 Depth: 38.52 [ft] to 110.25 [ft] 5 0° Well ID: 1 DW-7 1 70 78 80- - ,1Z16 Counts: 47.00 Mean (3D): 24.63 180' Min: 3.79 90 Components: Azimuth Max: 70.46 Counts: 47.00 Mean (3D): 154.73 Min: 2.63 100 Max: 229.43 110 Page 1 APPENDIX 3 Depth Caliper Fractures HPF - Ambient 1ft:200ft 5.8 in 6.4 0 90 -0.1 0.1 Caliper - max from ATV HPF - Pumping 5.8 in 6.8 -0.1 gpm 0.1 10.0 2 0 . 0 30.0? Major open fracture — Minor open fracture Closed fracture 40.0 50.0 Well ID: DW-3 60.0 70.0 80.0 90.0 00. 10. 20. Page 1 Depth Caliper Fractures HPF - Pumping 1ft:240ft 5.8 in 6.2 0 90 0 gpm 0.6 Caliper - max from ATV HPF - Ambient 5.8 in 6.8 -0.1 gpm 0.1 20.0— 30.0 40.0 50.0 60.0 70.0— 80.0 18, Major open fracture Minor open fracture • Closed fracture Well ID: DW-4 90.0 00. 10. 20. 30. 40. 150. 60. 70. Page 1 Depth Caliper Fractures HPF - Ambient 1ft:200ft 5.8 in 6.4 0 90 -0.03 9pm 0.02 Caliper - max from ATV HPF - Pumping 5.8 in 6.8 0 gpm 1 —20.0--71 30.0 40.0 50.0 60.0 70.0 Well ID: DW-5 80.0 90.0 00. 3&7 10. 20. 30. 0 Major open fracture Minor open fracture Closed fracture 40. Page 1 Depth Caliper Fractures HPF-Ambient 1ft:200ft 5.8 in 6.4 0 90 0 gpm 0.02 Caliper - max from ATV HPF - Pumping 5.8 in 6.8 0 gpm 0.7 50.0 60.0 70.0 80.0 Well ID: DW-6 90.0 00 . Major open fracture Minor open fracture ( Closed fracture 10. 20. 10 30. 40. 50. 60. Page 1 Depth Caliper Fractures HPF - Ambient 1ft:120ft 5.8 in 6.4 0 90 0 9pm 0.04 Caliper - max from ATV HPF - Pumping 5.8 in 6.8 0 gpm 0.8 A —SO.0— 60.0 70.0 80.0 Well ID: DW-7 Major open fracture Minor open fracture _ Closed fracture AL 90.0 00. Page 1