Inventor

Alexander F. Zazovsky

Inventor
Houston, TX, US

Overview

54→
Patents
2005–2018
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 54 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling70%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
C10MLubricating compositions3%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions3%
G01VGeophysics3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
Y10TTechnical subjects covered by former us classification3%
F04BPositive-displacement machines for liquids1%
F16LPipes1%
F17DPipe-line systems1%
PatentTitleYear
9,915,137'Method of fracturing multiple zones within a well using propellant pre-fracturing'20189,644,478'Sampling assembly for a single packer'20179,574,938'Sampling tool with dual flowline architecture'20179,371,730'System and method related to a sampling packer'20169,303,509'Single pump focused sampling'20169,151,415'Method and apparatus for reducing fluid flow friction in a pipe'20159,121,263'Cleanup prediction and monitoring'20159,097,107'Single packer system for fluid management in a wellbore'20159,081,121'Method for a mud cake thickness determination'20159,057,250'Formation evaluation system and method'20159,027,641'Method of fracturing multiple zones within a well using propellant pre-fracturing'20159,022,105'Expandable filtering system for single packer systems'20158,899,324'Methods and apparatus to sample heavy oil in a subterranean formation'20148,899,323'Modular pumpouts and flowline architecture'20148,744,774'Cleanup production during sampling'20148,584,748'Elongated probe for downhole tool'20138,555,968'Formation evaluation system and method'20138,496,054'Methods and apparatus to sample heavy oil in a subterranean formation'20138,490,694'Single packer system for fluid management in a wellbore'20138,484,858'Wall contact caliper instruments for use in a drill string'20138,439,110'Single packer system for use in heavy oil environments'20138,429,962'Methods and apparatus to control a formation testing operation based on a mudcake leakage'20138,393,874'Hybrid pumping system for a downhole tool'20138,215,389'Apparatus and method for formation evaluation'20128,210,260'Single pump focused sampling'20128,162,052'Formation tester with low flowline volume and method of use thereof'20128,091,634'Single packer structure with sensors'20128,047,286'Formation evaluation system and method'20118,042,387'Methods and apparatus to control a formation testing operation based on a mudcake leakage'20118,024,868'Wall contact caliper instruments for use in a drill string'20118,025,072'Developing a flow control system for a well'20118,015,869'Methods and apparatus to perform pressure testing of geological formations'20118,016,038'Method and apparatus to facilitate formation sampling'20117,934,547'Apparatus and methods to control fluid flow in a downhole tool'20117,932,220'Water compatible hydraulic fluids'20117,878,244'Apparatus and methods to perform focused sampling of reservoir fluid'20117,857,050'Flow control using a tortuous path'20107,841,406'Formation fluid sampling apparatus and methods'20107,793,713'Apparatus and method for formation evaluation'20107,690,423'Downhole tool having an extendable component with a pivoting element'20107,654,321'Formation fluid sampling apparatus and methods'20107,647,980'Drillstring packer assembly'20107,637,321'Apparatus and method for unsticking a downhole tool'20097,584,786'Apparatus and method for formation evaluation'20097,484,563'Formation evaluation system and method'20097,458,419'Apparatus and method for formation evaluation'20087,431,075'Propellant fracturing of wells'20087,409,992'Perforating gun'20087,331,223'Method and apparatus for fast pore pressure measurement during drilling operations'20087,185,699'Water compatible hydraulic fluids'20077,062,959'Method and apparatus for determining downhole pressures during a drilling operation'20067,031,841'Method for determining pressure of earth formations'20066,905,241'Determination of virgin formation temperature'20056,871,532'Method and apparatus for pore pressure monitoring'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2018Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (53)· patent assignee history
2005–2018Based in Houston, TX, US· patent location history
2012–2017Patents assigned to ZAZOVSKY ALEXANDER F (15)· patent assignee history
2012–2015Patents assigned to ZAZOVSKY ALEXANDER (9)· patent assignee history
2012–2013Patents assigned to BRIQUET STEPHANE (6)· patent assignee history
2012–2017Patents assigned to CORRE PIERRE-YVES (6)· patent assignee history
2015Based in Sugar Land, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP532005–2018
ZAZOVSKY ALEXANDER Fself152012–2017
ZAZOVSKY ALEXANDERself92012–2015
BRIQUET STEPHANE62012–2013
CORRE PIERRE-YVES62012–2017
Locations
LocationPatentsSpan
Houston, Texas, US532005–2018
Sugar Land, Texas, US12015