Replenishment and equipment of wells. Maintenance, update and installation of telemetry and telecontrol system. Implementation of macromeasurement. Interconnections with aqueducts in the branches.                             Installation and dismantling of the drilling equipment with capacity for depths of up to 450 meters.
Macroscopic analysis and classification of the samples collected in the exploratory drilling to determine the lithology cut of the well.
Necessary to classify the collected samples during the exploratory drilling that allows to define the petrographic characteristics in order to specify the type of training The corrosion protection on the outer surface of carbon steel pipe ASTM A-53 B cedula 40, 152.40 mm (6 ") and 254.00 mm (10") in diameter, and 76.200 mm (3 ") ) in diameter.

Supply and installation of self-supporting compact substation operating voltage 25.8 kv outdoor type nema 3r in gray color ANSI 61 electrostatic adhesion based on epoxy dust, for 23 kv arrangement: connection cell, low voltage cell or secondary transformer and high tension cell, structure: in cold rolled steel sheet Cal. No. 12 and lids Cal. No. 12 mechanical resistance to short circuit 50 kA ir max., NBAI (kv) 125, electrolytic copper bars 35 x 5 mm minimum, capacity in nominal current 400., frequency 60 hz. synthetic resin insulators for 25 kv, 18kv zinc oxide arrester. sectioning method; disconnector operation without load external operation for maintenance (intermediate blade) and a disconnector with tripolar load for the connection and disconnection with load by means of stored energy, nominal current for 630 Amp. Use of current limiting fuses with a 10 Amp striker, type DPT, ground rod dimension of the substation shall be at least 30 x 3 mm, one door per cell with shatterproof peephole of 300mm by 200mm, the door of the cell high voltage will lead against blind door manufactured in lime sheet. 12 all with insurance and mechanical locking.
                            Supply and installation of three-phase distribution transformer delta-star connection power 300 kva, cooled in oil, transformation ratio 19kv-24kv / 440-254 vca. impedance 6%, shunt changer in high tension without load of 5 positions, derivations of 1000vca, on elevation 80 c.a. 2300 m.s.n.m. copper - copper coils, with laboratory test certificate EMA.
Live line survey from 0 to 5 m depth for pipe location. Supply and installation of 500 mm (20 ") spool type electromagnetic flow meter for mounting on steel pipe.

Supply and installation of system for remote station control (UTR), and energy backup system (UPS), configuration and start-up, for monitoring of 2 macro meters in the junctions with the Tizayuca and Pachuca branches respectively.
Physical inspection and revision of frequency variators brand: General Electric and complementary equipment (ventilation system of inverter house, pressure sensor in discharge pipe) installed in 26 wells of the Teoloyucan Branch.
Development of a fault diagnosis in its main components, use of specialized equipment for diagnosis.
Development of SCADA GENESIS 64 software, in master station and sub master for the integration of signals from a well.
Development of the SCADA system screens application, pop-up screens, tag addresses. Cutting with oxyacetylene equipment in carbon steel pipes in well plumbing.