Conventional well testing analysis: According to the pressure
data of the test and the assumption that the production is known, the step production
superposition method is used to carry out the well testing analysis.
Early well testing analysis: Using small signal extraction and
amplification technology, the well testing chart suitable for early well testing analysis is
obtained, and the interpretation accuracy and interpretation rate of pressure data are
improved.
DST well testing analysis: According to the energy conservation
equation of wellbore, the coupling relationship between formation seepage and wellbore flow
is used to calculate the slug flow pressure and the shut-in recovery pressure, and the joint
analysis method of flow and recovery is used for well testing analysis.
Intermittent production and well testing analysis of lifting
wells: According to the flow characteristics of oil wells, only intermittent and lifting oil
exploitation can be applied, the corresponding mathematical model is established, and the
method of simulation full pressure history is used to analyze the well testing.
Well testing analysis of fracture-hole reservoir: Based on the
three conservation laws of mechanics, the well-fracture-hole-formation fluid flow model is
established, and the typical curve of well testing analysis of fracture-hole reservoir is
obtained by using the simplified method and equation solution method of complex model, and
the theory and method system of well testing analysis of fracture-hole reservoir are finally
formed by using well testing analysis method and full history calculation method.
Well testing design and productivity evaluation and prediction:
Well testing design can calculate step flow rate and bottom hole pressure of DST flow.
Productivity analysis includes stable productivity and unstable productivity analysis.
Condensate gas well testing analysis: The condensate gas well
testing analysis software is used to simulate the phase state characteristics and fluid
properties of oil and gas reservoirs, and to form complete pseudo-pressure and pressure
conversion data when determining the characteristics of oil and gas reservoirs and the
change of fluid components.
Shale gas, coalbed methane well testing analysis: For coal seam,
shale reservoir, dense reservoir and etc, the software considers the influence of rock
pressure sensitivity on seepage; for coalbed methane, shale gas and dense gas, adsorption is
an important gas occurrence form, and the software provides gas adsorption function.
Multi-stage fracturing optimization of horizontal well: Well
testing analysis for complex well type and complex boundary.
Analysis of thermal recovery well testing: Interpretation of
production profile and steam absorption profile, interpretation of pressure drop test and
productivity prediction of shutting in.
