# US 10,502,039 B2 · Well monitoring and pressure controlled landfill pump > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,502,039 B2 - Document ID: US10502039B2 - Status: Granted - Kind: B2 - Application number: 15/727,176 - Filed: 2017-10-06 - Published: 2018-03-29 - Granted: 2019-12-10 - Earliest claimed: 2014-02-24 - Assignees: Landtec North America, Inc. - Applicants: Landtec North America, Inc. - Inventors: Mitchal Cassel; Jamie Tooley; Scott Marcell - Web page: https://patentgrep.com/patent/US10502039B2 ## CPC - E21B 43/13: {specially adapted to dewatering of wells of gas producing reservoirs, e.g. methane producing coal beds} - B09B 1/00: Dumping solid waste - B09B 1/006: {Shafts or wells in waste dumps} - B09C 1/005: {Extraction of vapours or gases using vacuum or venting} - E21B 47/06: Measuring temperature or pressure - E21B 47/07: Temperature - F04F 1/06: the fluid medium acting on the surface of the liquid to be pumped (F04F1/02 takes precedence) - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - B09B: DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR - B09C: RECLAMATION OF CONTAMINATED SOIL (gatherers for removing stone or the like from the soil A01B43/00; sterilising soil by steam A01G11/00; removing undesirable matter, e.g. rubbish, from the land E01H15/00) - F04F: PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED {(evacuating by sorption F04B)}; SIPHONS {(conveying materials in bulk by flows of gas, liquid of foam B65G53/00)} ## Abstract A submersible landfill pump system may include sensors to detect conditions inside the pump and/or well. In some embodiments, the sensors can be placed along an electrical wire within the well and provide sensor data to a user. ## Claims ### Claim 1 A pneumatic, landfill pump system for use in a landfill well that extends below a surface, the landfill pump system comprising: a submersible pump disposed in the landfill well, and the pump having a pump casing; at least one connection extending from the submersible pump towards the surface of the landfill well, the at least one connection including an outer sheath for: enclosing an air flow line for supplying pressurized air to the submersible pump; and enclosing a fluid discharge line for channeling fluid being pumped by the submersible pump out from the landfill well; a sensor array comprising a plurality of sensors disposed adjacent the submersible pump and adjacent the outer sheath, and outside of the pump casing, and spaced apart to be at different depths within the landfill well, wherein the sensors are disposed along a length of the connection extending from the submersible pump towards the surface of the landfill well, and wherein the plurality of sensors is configured to measure conditions related to fluids present in the landfill well, at different depths in the landfill well, for use in helping to control operation of the pump; a processor in data communication with the sensors and configured to execute instructions in order to adjust one or more operating conditions of the pump based on sensor data from the plurality of sensors. ### Claim 2 (depends on 1) The pump system defined in claim 1 wherein the plurality of sensors forming the sensor array comprises a plurality of temperature sensors. ### Claim 3 (depends on 1) The pump system defined in claim 1 wherein the plurality of sensors forming the sensor array comprises a plurality of pressure sensors. ### Claim 4 (depends on 1) The pump system defined in claim 1 wherein the plurality of sensors forming the sensor array comprises a plurality of temperature sensors and a plurality of pressure sensors. ### Claim 5 (depends on 1) The pump system defined in claim 1 wherein the plurality of sensors forming the sensor array comprises a plurality of temperature sensors located outside of the sheathing. ### Claim 6 (depends on 1) The pump system defined in claim 1 wherein the plurality of sensors forming the sensor array comprises a plurality of pressure sensors located inside of the sheathing. ### Claim 7 (depends on 1) The pump system defined in claim 1, wherein at least one of the plurality of sensors comprises a geophone. ### Claim 8 (depends on 1) The pump system of claim 1, wherein at least one of the plurality of sensors comprises a humidity sensor. ### Claim 9 (depends on 1) The pump system of claim 1, wherein the at least one connection comprises a sheathed tubing, and wherein the sheathed tubing comprises the plurality of sensors, the plurality of sensors being spaced apart along a length of the tubing. ### Claim 10 A pump system for use in a well that extends below a ground surface, the pump system comprising: a submersible pump disposed in the well; at least one connection extending from the submersible pump toward the surface; the at least one connection including an outer tubing extending from the submersible pump towards the surface and enclosing an air line and a fluid discharge line; and at least one tubing including a string of spaced apart sensors forming a sensor array enclosed within the outer tubing; and wherein the string spaced apart sensors is configured to measure conditions related to conditions present in the well, at different depths in the well, for use in helping to control operation of the pump. ### Claim 11 (depends on 10) The pump system of claim 10, wherein the sensors of the sensor array include a plurality of pressure sensors. ### Claim 12 (depends on 10) The pump system of claim 10, wherein the sensors of the sensor array include a plurality of temperature sensors. ### Claim 13 The pump system of 10, wherein the string of spaced apart sensors of the sensor array include a geophone. ### Claim 14 (depends on 10) The pump system of claim 10, wherein the sensors of the sensor array include a combination of pressure and temperature sensors. ### Claim 15 (depends on 10) The pump system of claim 10, wherein the sensors of the sensor array include a humidity sensor. ### Claim 16 (depends on 10) The pump system of claim 10, wherein the at least one tubing comprises a sheathed tubing. ### Claim 17 (depends on 10) The pump system of claim 10, wherein the sensors are evenly spaced along a length of the outer tubing and interconnected by at least one wire. ### Claim 18 A method for obtaining information relating to a fluid in a well extending below a ground surface, where the fluid is being pumped out from the well by a pump having a pump casing, the method comprising: using a first tubing extending from the ground surface to the pump to connect with the pump and to provide pressurized air to the pump through an air supply line, and also to enable discharge of pumped fluid from the pump through a fluid discharge tube separate from the air supply line; using a second tubing to contain a plurality of sensors, the plurality of sensors being spaced apart along a length of the second tubing and disposed in the well outside of the pump casing of the pump and adjacent the first tubing, with at least one of the sensors being disposed in the fluid in the well, and all of the sensors being in communication with a data collection device external to, or adjacent to, the well; the sensors providing data relating to environmental conditions in the well, the sensors configured to measure conditions related to conditions present in the well, at different depths in the well, for use in helping to control operation of the pump. ### Claim 19 (depends on 18) The method of claim 18, wherein the sensors comprise at least one pressure sensor.