Страница 1: ...anual Model D with Compact Gas Gun REVA ECHOMETERCOMPANY 5001 DITTO LANE WICHITA FALLS TEXAS 76302 USA PHONE 940 767 4334 FAX 940 723 7507 E MAIL INFO ECHOMETER COM WWW ECHOMETER COM MS 1950 REV A MODEL D WI COMPACT GAS GUN ...
Страница 2: ......
Страница 3: ...S III OPERATION IV INTERPRETATION V PROBLEM WELLS VI BATTERY INFORMATION VII TESTING THE ECHOMETER VIII MAINTENANCE IX PARTS LIST AND DRAWINGS X APPENDIX RATE OF FILL UP AND INFORMATION TECHNIQUE FOR DETERMINING CHART SPEED C02 INFORMATION N2INFORMATION ANALYZING WELL PERFORMANCE ACOUSTIC STATIC BOTTOMHOLE PRESSURES ACOUSTIC PRODUCING BOTTOMHOLE PRESSURES ...
Страница 4: ...SI The working pressure ratings on the Echometer wellhead fittings nipples etc apply to like new condition The ratings must be lowered if wear or corrosfon has occurred 6 Usually the gas gun volume chamber pressure is less than the working pressure of the fittings on the well However if the gas gun volume chamber pressure exceeds the working pressure rating of the connections on the well do not di...
Страница 5: ...to liquid in a well It is the most advanced instrument available regardless of price The upper collars deep collars or the liquid level can be accented for maximum accuracy Yet it is simplified for easy operation by the labeling of controls to indicate the functions performed ECHOMETER SCHOOL Echometer Company offers schools on the use and applications of the Echometer You are invited to attend fr...
Страница 6: ... knob controls the sensitivity when the filter is in LIQUID LEVEL FILTER The Echometer uses a very effective filter system The filter is labeled UPPER COLLARS DEEP COLLARS and LIQUID LEVEL The various filter positions tune the system to record the type of signal desired UPPER COLLARS tunes the amplifier to high frequency signals which result in the collars being recorded as sharp distinct kicks DE...
Страница 7: ... paper roll Place the paper in the chart drive with the printed side up Replace the pen cover plate Be careful not to damage the pen THE GALVANOMETER AND PEN REPLACEMENT The galvonometer does not require maintenance except for pen replacement and adjustment The pen is replaced by removing the galvanometer cover plate The plate should be pushed back and lifted Remove the two screws holding the pen ...
Страница 8: ...CAN BE BLED BY ROTATING THE KNOB CLOCKWISE GAS GUN DISCHARGE PRESSURE GAUGE s MEASURES PRESSURE IN GAS GUN VOLUME CHAMBER COCKING ARM LIFT THE COCKING ARM TO DEPRESS ANO CLOSE THE _J L GAS VALVE 0 CASING PRESSURE QUICK CONNECTOR PERMITS EASY DETERMINATION OF CASING PRESSURE BY INSERTION OF AN ADAPTOR ATTACHED TO A PRESSURE GAUGE CASING PRESSURE BLEED VALVE TURN THE ARROW UP DOWN ANO PULL TO OPEN T...
Страница 9: ... pressure pulse is generated A discussion of the parts on the gas gun will be beneficial in operating the equipment See the gas gun drawings PRESSURE GAUGE The pressure gauge measures the pressure in the gas gun volume chamber If the gas gun valve is open the gauge indicates the pressure between the gas gun and the casing annulus valve If the casing annulus valve is open the gauge indicates the ca...
Страница 10: ...s gun volume chamber by insertion of a mating quick connector attached to a pressurized gas source into the filler bleed chamber valve Gas is bled from the chamber by rotating the knob clockwise Clockwise rotation of the filler bleed chamber valve results in depression of the valve core and hence bleeding of the volume chamber thru the filler bleed chamber valve TRIGGER PAWL The trigger pawl is pu...
Страница 11: ...asing Pressure Bleed Valve and Filler Bleed Chamber Valve Open casing valve slowly 3 Pull trigger ring and measure casing pressure Use precision pressure gage with adaptor if desired 4 Lift cocking arm to close gas valve 5 Fill volume chamber with gas C02 or N2 to 150 PSI Use a higher pressure only if the liquid level response is not distinct Less pressure should be used if satisfactory records ar...
Страница 12: ...o approximately 200 PSI below the casing pressure Use greater or lesser differential pressure if greater or lesser response is desired Turn amplifier ON and allow 10 seconds for stablization while connecting cable Select type of collar response desired and increase collar sensitivity until pen response is 1 s Reduce well noise if necessary Turn chart drive ON and run 12 inches of chart paper Gener...
Страница 13: ...ON technique since the pressure is negative in comparison to the normal positive pressure pulse 6 If a larger liquid level response is desired use a greater differential pressure between the gas gun volume chamber pressure and the casing annulus gas pressure Do not use a larger differential pressure unless needed 7 Operating the gas gun at 300 PSI requires twice as much gas as operating at 150 PSI...
Страница 14: ...tes the background well noise level Background noise is caused by surface vibrations leaking gas connections downhole gas popping out of liquid and other unstable conditions This background noise is not a part of the signals that result when the pressure wave is generated Do not increase the sensitivity after the pressure wave is generated or background noise will be recorded Background noise must...
Страница 15: ...king gas connections leaking valves and operating regulators Close all other lines leading from the casing annulus The main source of downhole noise is gas popping out of a gaseous column When pen movement occurs at sensitivity settings of less than 5 always check for a gaseous column See Analyzing Well Performance in the appendix Downhole noise can also result from tubing casing leaks The filter ...
Страница 16: ...The liquid level depth can also be determined by measuring the travel time and knowing the acoustic velocity from gas property data Acoustic velocity charts are available Also a portable computer can be used Information is available on reque st On an average well the following events will be recorded on the chart A kick will show the initial blast A series of small kicks will indicate the collars ...
Страница 17: ...n the liner kick and the liquid level kick is equal to the distance between the liquid level kick and the liner reflection kick The liner reflection kick results when the liquid level reflection signal is travelling upward and passes the liner increase in cross sectional area This generates a rarefaction wave which returns to the bottom and then travels to the surface where it is recorded L1t v1 L...
Страница 18: ...uantities are necessary to cause gaseous columns in large casing small tubing completions Any well venting gas to the atmosphere venting gas to the flow line or using casing gas to operate an engine should be checked The amount of liquid present in a gaseous column can be determined by a casing presure build up test Another technique is compression of the gaseous column with casing pressure to det...
Страница 19: ...e and vacuum wells do not return strong signals from down the annulus and a large blast may be necessary V 1 On rare occasions paraffin deposits dirty tubing or other conditions can result in downhole conditions which make the counting of collars or the determination of the liquid level difficult In extreme conditions it may be necessary to clean the tubing and casing to remove foreign material ...
Страница 20: ...approximately 70 F 20 C Continuous charging does not damage the battery When operating with the cigar lighter power cord the battery will be partially charged by an operating automobile system in 5 to 15 minutes and will be completely charged if the car is driven for 8 hours Attaching the power cord to the cigar lighter with the engine running for a _short time will charge a low battery sufficient...
Страница 21: ... OFF or the following chart does not apply Battery Voltage 12 5 12 2 12 0 11 8 Percent Charge 60 40 20 0 With the amplifier and chart drive ON the yellow arc indicates when charging should be performed The red arc indicates that an unstable condition will probably exist VOLTAGE is the normal operating mode because battery condition is indicated CHARGE The CHARGE position measures the current which...
Страница 22: ...ssive currents may blow the fuse If the fuse blows replace the fuse and try charging with the automobile engine not running until the current drops below 1 25 amp Then run the car engine to increase the charge rate If the Echomter battery is extremely low the 110 VAC charger may have to be used to prevent blowing the fuse A very small charge will be indicated if the Echometer battery is already fu...
Страница 23: ...ts such as 2 hour battery refer to laboratory tests of simple non stop use of the equipment Use of special features and accessories demands extra power and shortens run time In the case of laptop computers features which use extra power and shorten battery run time include disc drives hard drives programs which use audio dialogue or music as well as the intensity of your backlit screen 3 The life ...
Страница 24: ...e a 1 5 amp fuse The voltmeter does not indicate battery voltage if the BATTERY fuse is blown Serial Number Below 327 A Low Voltage Protector is used to prevent damage to the battery which can result when operating the battery below 10 6 volts The Low Voltage Protector circuit breaker is located to the right and below the voltmeter The circuit breaker and control electronics will disconnect the ba...
Страница 25: ...ier recorder and cable Clean wellhead including microphone B Attach cable to INPUT and Microphone C Attach test bulb Close gas valve by lifting cocking arm Close casing pressure bleed valve D Turn amplifier ON E Set filter to LIQUID LEVEL F Set the LIQUID LEVEL sensitivity to 1 G Depress rubber bulb sharply delay then release bulb suddenly H Pen response should be in excess of 112 See sample chart...
Страница 26: ...WICHITA FALLS TEXAS 76302 DEEP COLLARS Normal on Model B 1 SENSITIVITY APPROXIMATELY 6 ECHOMETER COMPANY 5001 DITTO LANE WICHITA FALLS TEXAS 76302 FLUIO LEVEL SENSITIVITY APPROXIMATELY 6 AS 711 02 MICROPHONE TEST FLUID LEVEL POSITION SENSITIVITY APPROXIMATELY 2 PRESS BULB RELEASE 81 JLB ECHOMETER COMPANY 5001 DITTO LANE WICHITA FALLS TEXAS 76302 ac M Al JGl JST 1968 ...
Страница 27: ...ion exist replace before using Replace the o rings when any sign of wear or deterioration exists Lubricate the gas valve and all 0 rings with light oil before assembly The microphone is located at the lower end of the gas gun The microphone can be removed by unscrewing a 10 32 x 1 cap screw Be sure the 0 rings are installed before replacing the microphone or installing a new microphone SPECIAL PRE...
Страница 28: ...T Description Chart Paper 125 Roll Usually supplied 50 rolls to the case Battery Writing Pen 12 VDC Eleven Point Dividers Supply Box Cables 5 Length 10 Length 25 Length Microphone Test Bulb Set of 0 Riilgs Owners Manual D with Gas Gun See Drawing in this Section See Drawings at end of C02 Information in Appendix IX ...
Страница 29: ...d 51 2 casing is producing 60 BPD the initial fill up rate is 2 2 feet per minute A well with 2112 tubing and 4112 casing producing at 700 BPD will have an initial fill up rate of 59 feet per minute USE OF RATE OF FILLUP INFORMATION If a well is shut down for ten minutes for surface connection work prior to a liquid level shot and the initial fill up rate ist1 11ly 1 3 feet per minute then the max...
Страница 30: ...HH H l hH 1 1 l 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 1 l 1 1 1 l 1 l H 1 l l l l l l 4 l 1 1 1 1 i J H H J rl9 l 8 I I 8Q t t i t t 1 t t t t t PIPE SIZES 211 x 7 Barrels Per lOOO Feet 36 o 33 5 1 i 1 1 1 1 1 1 Ii 1 1 l H I l l l 1 l l H l l t H H H 1 l l t H H H H i IH l l H l IL H H 1 11 1 l l H h_l F H H 4 I i 0 I i I t l 1 1 1 1 2 1 2 x 7 2 x 5 1 211 2 1 211 X 5 1 211 211 x 4 1 2 18 9 16 4 ...
Страница 31: ...quency of 60 cycles per second is used in the United States Procedure 1 2 3 4 5 6 7 8 9 Example Straighten a paper clip or locate a short piece of small wire about 6 long Insert wire into the gold connector in the amplifier INPUT Turn amplifier POWER ON Place filter in UPPER COLLARS Increase Sensitivity until 1 8 pen response is obtained Turn chart drive ON ana run chart 6 8 inches Count 60 cycles...
Страница 32: ...y other applications l OO OoQ loo 600 s oo 3 0 0 10 lC ID v v So 75 0 20 30 Temperature VAPOR PRESSURE VS TEMPERATURE c r 0 iO Below 88 F confined C02 liquid and gas are in equilibrium at a vapor pressure shown on the above graph For example a container of C02 liquid and gas at 70 F has a pressure of 840 PSIA As gas is removed from the cylinder the liquid vaporizes into a gas which maintains the v...
Страница 33: ... C02 CAUTION Do not overfill a container or dangerous pressures can result C02 is heavier than air and may collect in confined unventilated areas Do not permit a leaking cylinder in a closed automobile C02 is the regulator of the breathing function and an increase in the C02 inhaled will cause an increased rate of breathing In high concentrations C02 can paralyze the respiratory system The normal ...
Страница 34: ... ...
Страница 35: ...g gas could cause suffocation C02 leaks can be detected by painting suspected areas with soap solution or by holding a squeeze bottle containing aqueous ammonia in the area leaks will be indicated by formation of a white ammonium carbonate cloud See your local gas supply dealer for other precautions See additional instructions on container if present Vapor Pressure 70 F Density Gas 70 F 1 atm Crit...
Страница 36: ...R D CAP GG 200 c i 3 16 11 11 0 11 RING GG 201 1 4 11 WASHER GG 202 VALVE CORE GG 204 c 5 16 11 o RING GG 218 I VALVE BODY GG 205 rn FILLER BODY GG 234 C 5 16 11 1 011 RING GG 226 VALVE CORE GG 238 7 5 OZ CONTAINER GG 41 ...
Страница 37: ...GGJ481 C02 HEXNUT 5 LB C02 CYUNDER GG 0430 2 5LB C02 CYUNDER GG 0470 GG3487 C01 NIPPLE GG14G8 BRASS HOSE END M4LVEBODY GG 2050 ____ c 5 L6 O flING GG 2220 __ VAL VE CORE GG 20 40 t 4 WASHER GG 2020 v e 3 Jfi11 O RJN4 iG 20 tQ CAPFVR QUICKCONNECTOR GG 2000 _ ...
Страница 38: ...ve use as an inert atmosphere and in the filling of some incandescent lamps Nitrogen is nontoxic but can act as an asphyxiant by displacing the necessary amount of air to sustain life HANDLING PRECAUTIONS Never drop cylinders or permit them to strike each other violently Never tamper with safety devices in valves or cylinders See your local gas supply dealer for other precautions Molecular Weight ...
